Tennis: Nadal out of Australian Open

MADRID: World number four Rafael Nadal pulled out of the Australian Open on Friday, claiming he was still suffering from the stomach virus which caused him to cancel his plans to return to action in the Gulf this week.

Nadal, the 11-time Grand Slam title winner, has also withdrawn from the Qatar Open which starts on Monday and where he was due to play his first official tournament since losing in the second round at Wimbledon in June.

The Spaniard, who has been battling a crippling knee injury, had missed the Olympics, the US Open and Davis Cup final.

"My knee is much better but the virus didn't allow me to practice this past week and therefore I am sorry to announce that I will not play in Doha and the Australian Open," Nadal said.

- AFP/xq

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Top 12 tech stories of the year

Microsoft's big Windows 8 push

SOPA backlash

Live-tweeting war

Apple maps stumble

Apple vs. Samsung

Facebook's botched IPO

The Instagram boom

Megaupload and Kim Dotcom

Mid-sized tablets make their mark

Nintendo launches Wii U

Yahoo hires Marissa Mayer

Tech's role in the 2012 election

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STORY HIGHLIGHTS

• In 2012, older tech companies such as Microsoft tried to revamp their brands


• The year kicked off with a huge online protest against SOPA


• Facebook bought photo-sharing app Instagram, but its IPO was a disappointment


• Apple released its iPhone 5 and iPad Mini but bungled its new mobile maps app

(CNN) -- In the tech world, 2012 was the year of the reboot. Older, established tech companies such as Microsoft, Yahoo and Nintendo all tried to restart their brands with bold new products and fresh blood in the executive suites.

Facebook struggled with its new life as a publicly traded company, and Instagram, the photo-sharing network it acquired in April, was dragged along for the ride.

There were inspiring stories, such as the Internet coming together to protest anti-piracy legislation. And there was darker news, like the Israeli military live-tweeting its strikes against Gaza.

And as always, the world's dominant and most closely watched tech company was all over the news. Apple did a little bit of everything in 2012, from hit new products (the iPad Mini) to high-profile failures (Apple Maps) to some old-fashioned courtroom drama in its patent war with Samsung.

Here are our picks for the top 12 tech stories of 2012. What did we leave out? Let us know in the comment section below.

Microsoft's big push

This was the year Microsoft took a big, bold and surprisingly fun step with a new version of Windows, an updated mobile operating system and its very own iPad rival.

The company, best known for its efficient but stodgy desktop software, needed to do something fresh to get customers' attention in 2012 and started with its flagship product. Windows 8 is a complete overhaul of the Windows operating system. Microsoft nixed the Start button and mixed a playful touchscreen interface with a more traditional desktop experience that runs on tablets, traditional computers, and hybrid machines.

The company also made a leap into the hardware market, releasing its first tablet, the Microsoft Surface, which ran a truncated version of the new Windows 8 operating system. And finally, there was Windows Phone 8, a major revamp of its smartphone operating system, which Microsoft hopes can compete with Apple's iOS and Google's Android.

It's still too soon to judge any of the new releases as successes or failures, but give Microsoft credit for taking chances.

SOPA backlash

In January, a pair of anti-piracy bills united the Internet in outrage. The proposed legislation, the Stop Online Piracy Act, or SOPA, and the Protect IP Act, or PIPA, would have restricted access to sites associated with pirated content, including the search engines and ad networks that do business with them.

The Internet cried censorship, and on January 18 some of the most popular sites blacked out their pages in protest. Reddit, Craigslist, Boing Boing, The Oatmeal, the English-language version of Wikipedia and thousands of other sites went dark. Even Google put a black censorship box over its logo. There were also petitions and organized boycotts of companies that supported the bills.

The protests worked, as both SOPA and PIPA were shelved. It was an impressive demonstration of the power of an organized Internet community.

Live-tweeting war

Violence and war have long been documented on Twitter and other social networks -- typically by journalists and by regular people on the ground (notably the Pakistani witness to the 2011 raid that killed Osama bin Laden).

But in November, the Israeli military took this concept to a new level. During its conflict with Palestinian forces in Gaza, the Israel Defense Force tweeted updates, including the news it had "eliminated" Hamas leader Ahmed Jabari. The military arm of Hamas responded on Twitter with its own provocations.

The back-and-forth between the warring sides signaled a jarring evolution in how war is broadcast in real time.

iPhone 5 and Apple Maps stumble

Every Apple hardware release is a big news story, starting with rumors months in advance and peaking with a well-oiled Apple press event, followed by usually glowing reviews and huge sales numbers. But in 2012, Apple made a major misstep when it released the iPhone 5 and its new operating system, iOS 6.

The company dropped the Google-powered maps that had come pre-installed on every iPhone since 2007. In its place, Apple introduced its own mapping app. Apple Maps looked stunning, with 3-D graphics and neat features like Flyover and turn-by-turn directions. All it was missing was transit directions and accuracy -- the maps were riddled with mistaken locations and outdated information.

The resulting criticism inspired an apology from CEO Tim Cook and led to an executive shakeup at Apple. Customers turned to third-party map apps until Google finally released an iOS version of its popular maps in December.

Apple vs. Samsung

It was the biggest tech trial of the year. Two of the top phone and tablet manufacturers went to war when Apple accused Samsung of infringing on its iPad and iPhone patents for a variety of tablets and smartphones. The drama culminated in a federal jury trial over the summer that offered a rare peek into how notoriously secretive Apple operates.

The story became huge because of the large amount of money at stake and the implications that its verdict would have on Samsung's business and the Android platform.

The jury decided in Apple's favor, awarding the company just over $1 billion in damages. But the case is far from over. Lawyers for both sides will continue bickering over potential appeals for months and possibly years to come.

Facebook's botched IPO

It was the most anticipated IPO of the year, and one of the largest ever for a tech company. Social-media darling Facebook looked primed for a big public opening: The company was valued at $104 billion, snapped up popular photo-sharing app Instagram and was still growing.

But then an array of problems and misjudgments led to a botched IPO in May, and the company's stock plummeted. The initial offer price of $38 was too high, too many shares were issued, its opening day was marred by Nasdaq's technical glitches, and underwriter Morgan Stanley was fined for improperly influencing share sales.

The stock price dropped significantly, hitting a low of $17.55 on September 4. Facebook is still struggling to recover some of its early-2012 luster.

The Instagram boom

Instagram started out scrappy two years ago as a fun little app for sharing sepia-shaded photos with friends. But when its user base skyrocketed, Facebook bought it for $1 billion in cash and shares of Facebook stock. That amount later dropped to $735 million as the value of Facebook shares plummeted.

By September, Instagram had more than 100 million users. The app capped off its big year with a rite of passage for social networks: a bungled update to its terms of service that sparked user outrage and led to a hasty backtrack by founder Kevin Systrom.

Instagram's challenge for 2013 is to figure out how to grow its free service into a business that makes money so that Facebook can begin to get its money's worth.

Megaupload and Kim Dotcom

The Megaupload case would have been mildly interesting on its own. A popular file-sharing company and its various sites were shut down by the F.B.I for piracy. But when Megaupload founder Kim Dotcom was arrested in January at his lavish New Zealand estate, he went from unknown entrepreneur to a flamboyantly rich cult hero.

Dotcom (he legally changed his last name from Schmitz in 2005) did what any self-respecting boy video-game nerd would do with millions of dollars. He bought a yacht, helicopter, luxury cars and motorcycles. He lived with his model wife in a $24 million rented mansion in New Zealand where he spent hours playing "Call of Duty: Modern Warfare 3," earning a spot as the top-ranked player in the world.

But after Dotcom was jailed and his assets were seized, he slowly emerged as a leader for Internet freedom activists who thought he was unfairly targeted. He's still fighting the charges and using his newfound fame to launch new projects. His current plans include a new file-sharing site that encrypts all its files, and a streaming music service called Megabox.

Mid-sized tablets take off

It was the rare case of Apple following a trend instead of setting it. Apple introduced its 7.9-inch iPad Mini in October to take on its new rivals in the tablet market: cheaper 7-inch devices from Google and Amazon. While the Kindle Fire and Nexus 7 were only selling modestly compared to the iPad, Apple quickly recognized the growing demand for a smaller, more portable device.

The iPad Mini proved especially notable because Apple's late CEO, Steve Jobs, famously stated a 7-inch tablet would never make it in the market because it was "too big to compete with a smartphone; too small to compete with an iPad." This may have been one of those rare cases in which Jobs was wrong.

Nintendo launches Wii U

In November, Nintendo released a new version of its popular Wii game console, which while groundbreaking when launched in 2006 was badly in need of a refresh.

The Wii U's most novel feature is a touchscreen tablet controller called a GamePad, which communicates with the main console. Inside the tablet are motion control sensors, speakers, a camera, buttons and other bells and whistles -- all of which the gamer uses to interact with what's happening on the larger screen.

It's a bold move for the company and brings a new perspective to console gaming, although the Wii U has received mixed reviews so far.

Yahoo hires Marissa Mayer

Aging Internet giant Yahoo was facing slumping revenues and internal strife in July when it hired Google exec Marissa Mayer as its new chief executive. The hire made headlines for many reasons: Mayer was a bold choice that showed Yahoo was serious about shaking things up. She was also young, a Silicon Valley power player, and a woman who was expecting her first child.

There was much media hand-wringing over her pregnancy, with some pundits wondering aloud whether Mayer could juggle a newborn baby and a demanding new job. Many saw her as a role model for working mothers.

But when the news settled, the real question returned: Could Mayer save the floundering Yahoo? So far she has shaken up Yahoo's executive team, given employee morale a much-needed boost and begun to improve the company's mobile offerings, including a stunning new Flickr app.

It will take a while to properly gauge her impact, but investors seem optimistic. Yahoo's stock price has risen $4 a share since her hiring was announced.

Tech's role in the presidential election

Technology issues such as net neutrality weren't discussed much during the 2012 presidential election, but tech played a huge role in rallying supporters and getting out the vote. President Obama, arguably the most tech-savvy of U.S. presidents, went on Google Plus and Reddit to take questions from voters.

And both his campaign and that of his GOP challenger, Mitt Romney, sent social media messages almost daily in attempts to sway media reports and public opinion.

But the most impressive use of tech took place behind the scenes, where both sides used new and powerful computer databases to target voters. The Romney campaign's get-out-the-vote program, called Orca, suffered technical glitches on Election Day and was perceived to have been outflanked by Obama campaign software which compiled massive amounts of data on voters and dispatched volunteers to pinpoint locations across the country.

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Putin signs bill barring adoptions of Russian kids by Americans

Updated 6:45 a.m. EST

MOSCOW President Vladimir Putin on Friday signed a bill banning Americans from adopting Russian children, part of a harsh response to a U.S. law targeting Russians deemed to be human rights violators.

Although some top Russian officials, including the foreign minister, openly opposed the bill and Putin himself had been noncommittal about it last week, he signed it less than 24 hours after receiving it from Parliament, where both houses passed it overwhelmingly.

The law also calls for closure of non-governmental organizations receiving American funding if their activities are classified as political -- a broad definition that many fear could be used to close any NGO that offends the Kremlin.

It was not immediately clear when the law would take effect, but presidential spokesman Dmitry Peskov was quoted by the Interfax news agency as saying "practically, adoption stops on Jan. 1."

Children's rights ombudsman Pavel Astakhov said this week that 46 children who were about to be adopted in the U.S. would remain in Russia if the bill goes into effect.

The bill has angered Americans and Russians who argue it victimizes children to make a political point, cutting off a route out of frequently dismal orphanages for thousands of children.

UNICEF estimates there are about 740,000 children not in parental custody in Russia while about 18,000 Russians are on the waiting list to adopt a child. The U.S. is the biggest destination for adopted Russian children -- more than 60,000 of them have been taken in by Americans over the past two decades.

Russians historically have been less enthusiastic about adopting children than most Western cultures.

Lev Ponomarev, one of Russia's most prominent human rights activists, hinted at that reluctance when he said Parliament members who voted for the bill should take custody of the children who were about to be adopted.

"The moral responsibility lies on them," he told Interfax. "But I don't think that even one child will be taken for upbringing by deputies of the Duma."

The law is in response to a measure signed into law by U.S. President Barack Obama this month that calls for sanctions against Russians assessed to be human rights violators.

That stems from the case of Sergei Magnitsky, a Russian lawyer who was arrested after accusing officials of a $230 million tax fraud. He was repeatedly denied medical treatment and died in jail in 2009. Russian rights groups claimed he was severely beaten and accused the Kremlin of failing to prosecute those responsible; a prison doctor who was the only official charged in the case was acquitted by a Moscow court on Friday.

The U.S. law galvanized Russian resentment of the United States, which Putin has claimed funded and encouraged the wave of massive anti-government protests that arose last winter.

The Parliament initially considered a relatively similar retaliatory measure, but amendments have expanded it far beyond a tit-for-tat response.

Many Russians have been distressed for years by reports of Russian children dying or suffering abuse at the hands of their American adoptive parents. The new Russian law was dubbed the "Dima Yakovlev Bill," after a toddler who died in 2008 when his American adoptive father left him in a car in broiling heat for hours.

Russians also bristled at how the widespread adoptions appeared to show them as hardhearted or too poor to take care of orphans.

Astakhov, the children's ombudsman, charged that well-heeled Americans often got priority over Russians who wanted to adopt.

A few lawmakers even claimed that some Russian children were adopted by Americans only to be used for organ transplants or become sex toys or cannon fodder for the U.S. Army. A spokesman with Russia's dominant Orthodox Church said that children adopted by foreigners and raised outside the church will not enter God's kingdom.

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Man Killed After Being Pushed in Front of NY Subway

Detectives in New York are searching for a female suspect who fled a subway station after a man was fatally pushed in front of a train on an elevated platform in Queens, N.Y.

At 8:04 p.m. on Thursday an unnamed man was standing on the northbound platform at 40th Street and Queens Blvd., waiting for the 7 train. Witnesses told police that a woman was walking back and forth on the platform and talking to herself before she took a seat on a wooden bench on the platform.

As the 7 train approached the station, witnesses said the woman rose from the bench and pushed the man onto the tracks, who was standing with his back to her.

Witnesses told police that the victim did not notice the woman behind him. He was struck by the first of the 11-car train, with his body pinned under the front of the second car as the train came to a stop, according to a statement from Deputy Commissioner Paul Brown.

New York City Subway Pusher Charged With Murder Watch Video

After pushing the man onto the platform the woman then fled down the stairs to Queens Blvd. She was described as wearing a blue, white and grey ski jacket, and grey and red Nike sneakers.

It is unclear if the two knew each other, or whether anyone attempted to help the man to the platform before he was struck by the train.

Overnight the NYPD released surveillance video of the woman believed to be the suspect, Detectives were also canvassing locations along Queens Blvd for other witnesses and surveillance video.

On Friday, New York City Mayor Michael Bloomberg was asked whether the incident might be related to the increase of mentally ill people on the streets following closures of institutions over the past four decades.

"The courts or the law have changed and said, no, you can't do that unless they're a danger to society; our laws protect you. That's fair enough," Bloomberg said on his weekly radio show.

Thursday's incident marks the second straphanger death this month--a man was killed in midtown after being pushed onto the subway tracks under an oncoming train.

On Dec. 3, 58-year-old Ki-Suck Han was tossed onto the subway track at 49th Street and Seventh Avenue around 12:30 p.m. after an altercation with a man who was later identified as 30-year-old Naeem Davis. Davis has been charged with murder in Han's death and was ordered held without bail.

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A gunmaker ripe for an ethical takeover

Several .223 caliber rounds near a Bushmaster XM-15; the manufacturer's owner is putting its gun companies up for sale.

STORY HIGHLIGHTS

• The owner of America's largest gunmaker is putting firm up for sale


• John MacIntosh says billionaires should lead effort to acquire the gun manufacturer


• He says they should change corporate practices to discourage violence


• MacIntosh: One leading company could push gun industry in a more ethical direction

Editor's note: John MacIntosh was a partner at Warburg Pincus, a leading global private equity firm, where he worked from 1994 to 2006 in New York, Tokyo and London. He now runs a nonprofit in New York.

(CNN) -- In the 1970s and '80s, when corporate America was plagued with inefficiency, a new class of financially motivated takeover investor emerged to prey on the fattest in the corporate herd and scare the rest into line.

Today, as pockets of corporate America are plagued with immorality, we need a new class of socially motivated takeover investor to prey on the sociopaths in the corporate herd, turn them around and perhaps scare (or shame) others into line.

John MacIntosh

The upcoming sale by Cerberus Capital of the Freedom Group, the largest gun manufacturer in the United States, is a perfect opportunity to usher in this new era of muscular, socially responsible capitalism:

First, Michael Bloomberg, George Soros, David Geffen and the like should establish a nonprofit SPAC (Special-Purpose-Acquisition-Company) called BidForFreedom.org (BFF) with a mission to reduce needless deaths through gun violence in the United States and encourage the passage of sensible gun control regulations.

They should appoint George Clooney, Angelina Jolie and Matt Damon to the fundraising committee and recruit a loud-mouthed, poison-penned, but good-hearted activist hedge fund titan as chief investment officer (Bill Ackman? Dan Loeb?).

Opinion: Forgotten victims of gun violence

To be credible, BFF will probably need to start with at least $250 million in cash and commitments (no problem given the billionaire status of the sponsors) with additional firepower raised as needed from well-heeled individuals, foundations and through a broad-based Internet solicitation to an outraged-by-Newtown public.

Second, BFF should lobby all public pension funds that are part owners of the Freedom Group (by virtue of their investment in Cerberus) to roll their investment into BFF to reduce the need for outside funding, naming and shaming any unwilling public investors.

Newtown shooter's guns

Third, BFF should pay "whatever it takes" to acquire control of the Freedom Group in the upcoming auction by Cerberus (which has a fiduciary obligation to sell to the highest bidder) and then immediately implement a "moral turnaround" plan under which the Freedom Group:

(i) Appoints a high-profile CEO with impeccable credentials as a hunter and/or marksman who is nevertheless in favor of gun-control.

Opinion: Guns endanger more than they protect

(ii) Elects a new board of directors including representatives from the families of victims killed in Newtown (and/or other massacres perpetrated with Freedom Group weapons), military veterans and trauma surgeons with real experience of human-on-human gunfire, and law enforcement and mental health professionals.

(iii) Operates the business as if sensible gun laws were in place (this may turn out to be a wise investment in future-proofing the company): discontinuing sales of the most egregious assault weapons and modifying others as necessary so they cannot take huge-volume clips; offering to buy back all Freedom Group assault weapons in circulation; micro-stamping weapons for easy tracking; and providing price discounts for buyers willing to go through a background check and register in a database available to law enforcement.

(iv) Voluntarily waives its rights to support the NRA and other lobbying groups.

(v) Creates a fund to compensate those who, despite its best efforts, are killed or wounded by its weapons.

(vi) Agrees that if the effort to provide moral leadership in the weapons industry doesn't succeed within a year, BFF should consider corporate euthanasia, even though it entails a risk of allowing more retrograde manufacturers to fill the void in the market left by the then-deceased company.

Opinion: The case for gun rights is stronger than you think

In the face of horrors like Newtown, BFF would recognize that it's time to take a stand by acknowledging the impossibility of reaching closure after such a monstrous act while an unreconstructed Freedom Group continues to sell a huge volume of guns and ammunition rounds each year even if it is operating under new owners.

Like any Trojan Horse strategy, this is a long shot, but it must be tried. History suggests that only after the first company "turns" will an industry gradually return to the realm of the human (think of big tobacco). And without the tacit agreement, if not the outright support, of at least one important insider, policymakers seem utterly unable to pass tough regulations in the face of the predictable, but withering, assault by industry lackeys shrieking that any such regulation would be "impossible, impractical or too expensive."

In the face of a recalcitrant industry, we have to acknowledge that it is only the market for corporate control -- the real possibility that an outsider will take over one of the companies -- that puts limits on the behavior of board members and executives who, while perhaps decent enough in their family lives, display a limitless tolerance for the "banality of evil" at the office.

Opinion: Not man enough? Buy a gun

We must accept that the conventional, kid-gloves approach to socially responsible investing -- divesting shares in "bad" companies that nevertheless continue to exist -- is too weak an instrument to force change and its well-meaning practitioners too soft to enter the fray when emotionally and politically charged battles need to be fought.

And regardless of the viability of socially motivated takeovers in general, the Freedom Group looks like a great target. Cerberus is a motivated seller, the political macros look favorable, and it's a bite-sized company compared with many of the larger sociopaths in the corporate herd.

I'm even cautiously optimistic that the current impasse over gun regulation is a bad-equilibrium that few consumers actually want, and that a reconstructed Freedom Group, fighting for sensible change as a fifth column from within the industry, might well find that many people -- even a significant portion of the NRA's members -- would buy from a truly responsible (and high quality) gun maker if given the chance.

All in all, it's a pretty exciting deal, so if Mike and George are up for it, count me in.

Follow @CNNOpinion on Twitter

Join us at Facebook/CNNOpinion

The opinions expressed in this commentary are solely those of John MacIntosh.

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Egypt prosecutor orders probe into opposition "incitement"

CAIRO: Egypt's public prosecutor on Thursday ordered a probe into the top three leaders of the opposition on suspicion of trying to incite followers to overthrow President Mohamed Morsi, a legal source said.

The prosecutor, Taalat Ibrahim Abdallah, who was appointed by Morsi late last month, signed the order against the leaders of the opposition National Salvation Front, which led protests against Morsi's drive to have a new constitution adopted.

The probe targets Mohammed ElBaradei, a Nobel peace prize laureate, Amr Moussa, former chief of the Arab League, and Hamdeen Sabbahi, the leader of the nationalist left wing. Moussa and Sabbahi were presidential candidates in June elections that Morsi won.

The National Salvation Front alleged frauds and irregularities in the December 15 and 22 split referendum on the new charter, which Morsi signed into law this week.

It accuses Morsi's Muslim Brotherhood of wanting to use the constitution to introduce sharia law.

Abdallah called on Justice Minister Ahmed Mekki to name an investigating magistrate for the probe, which would examine suspicions of "inciting for the overthrow of the regime".

Morsi on Wednesday hailed the adoption of the new constitution with 64 percent of the votes in the referendum, though turnout was a low 33 percent.

Within two months, Egypt has to hold legislative elections to choose a parliament to succeed the one dissolved by the constitutional court in June. The opposition parties in the National Salvation Front coalition are considering competing in the elections on the same ticket.

- AFP/xq

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TV

updated 9:03 AM EST, Thu December 20, 2012

Earlier this month, we asked CNN readers to vote for their favorite TV shows of 2012. To make narrowing it down a little bit easier, we divided up a long list of contenders into three categories: comedies, dramas and reality series. Here's how you voted:

Readers' favorites: Top 15 TV shows of 2012

Comedies: No. 5: 'How I Met Your Mother'

No. 4: 'The Daily Show with Jon Stewart'

No. 3: 'New Girl'

No. 2: 'Modern Family'

No. 1: 'The Big Bang Theory'

Dramas: No. 5: 'Castle'

No. 4: 'Homeland'

No. 3: 'Game of Thrones'

No. 2: 'NCIS'

No. 1: 'The Walking Dead'

Reality series: No. 5: 'Survivor'

No. 4: 'Dancing with the Stars'

No. 3: 'Pawn Stars'

No. 2: 'The Amazing Race'

No. 1: 'The Voice'

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Former President Bush stays in ICU, fever lingers

(CBS News) Former President George H.W. Bush remains in the intensive care unit of Houston's Methodist Hospital on Thursday, after battling a bronchitis-like cough and fever for over a month.

Doctors say his condition is improving since he suffered a setback on Christmas Day but also say they are having trouble keeping the former president's fever under control. He was reportedly put on a liquid diet on Wednesday.

After a family spokesman referenced Bush's "stubborn fever" and "guarded condition," his office released a statement saying doctors remain "cautiously optimistic" about the 41st president's prognosis. CBS News' Anna Werner reports that he has been able to receive visits from his wife, children, and grandchildren and to join them in a Christmas day takeout meal.

Thursday, Dr. Lori Mosca of Columbia University Medical Center and New York Presbyterian Hospital explained that "guarded condition" "is somewhere in between being stable and critical," a state that requires constant careful monitoring by doctors.

Dr. Mosca added that while the fever could be due to bronchitis, "any fever in an elderly person is serious," and that doctors should continue to look for the source of the fever -- which could range from an allergic reaction, to a drug reaction, to an immune system issue.

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Newtown Shooter's DNA to Be Studied

Geneticists have been asked to study the DNA of Adam Lanza, the Connecticut man whose shooting rampage killed 27 people, including an entire first grade class.

The study, which experts believe may be the first of its kind, is expected to be looking for abnormalities or mutations in Lanza's DNA.

Connecticut Medical Examiner H. Wayne Carver has reached out to University of Connecticut's geneticists to conduct the study.

University of Connecticut spokesperson Tom Green says Carver "has asked for help from our department of genetics" and they are "willing to give any assistance they can."

Green said he could not provide details on the project, but said it has not begun and they are "standing by waiting to assist in any way we can."

Lanza, 20, carried out the massacre at Sandy Hook Elementary School in Newtown, Conn., just days before Christmas. His motives for the slaughter remain a mystery.

Geneticists not directly involved in the study said they are likely looking at Lanza's DNA to detect a mutation or abnormality that could increase the risk of aggressive or violent behavior. They could analyze Lanza's entire genome in great detail and try to find unexpected mutations.

This seems to be the first time a study of this nature has been conducted, but it raises concerns in some geneticists and others in the field that there could be a stigma attached to people with these genetic characteristics if they are able to be narrowed down.

Sandy Hook Shooting: 'The View' on What Can Be Done Watch Video

Arthur Beaudet, a professor at Baylor College of Medicine, said the University of Connecticut geneticists are most likely trying to "detect clear abnormalities of what we would call a mutation in a gene…or gene abnormalities and there are some abnormalities that are related to aggressive behavior."

"They might look for mutations that might be associated with mental illnesses and ones that might also increase the risk for violence," said Beaudet, who is also the chairman of Baylor College of Medicine's department of molecular and human genetics.

Beaudet believes geneticists should be doing this type of research because there are "some mutations that are known to be associated with at least aggressive behavior if not violent behavior."

"I don't think any one of these mutations would explain all of (the mass shooters), but some of them would have mutations that might be causing both schizophrenia and related schizophrenia violent behavior," Beaudet said. "I think we could learn more about it and we should learn more about it."

Beaudet noted that studying the genes of murderers is controversial because there is a risk that those with similar genetic characteristics could possibly be discriminated against or stigmatized, but he still thinks the research would be helpful even if only a "fraction" may have the abnormality or mutation.

"Not all of these people will have identifiable genetic abnormalities," Beaudet said, adding that even if a genetic abnormality is found it may not be related to a "specific risk."

"By studying genetic abnormalities we can learn more about conditions better and who is at risk and what might be dramatic treatments," Beaudet said, adding if the gene abnormality is defined the "treatment to stop" other mass shootings or "decrease the risk is much approved."

Others in the field aren't so sure.

Dr. Harold Bursztajn, a professor of psychiatry at Harvard Medical School, is a leader in his field on this issue writing extensively on genetic discrimination. He questions what the University of Connecticut researchers could "even be looking for at this point."

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Climate change: No consensus needed

Lake Cachet II in Aysen, Chilean Patagonia, disappeared because of rising temperatures driven by climate change, experts say.

STORY HIGHLIGHTS

• Tseming Yang: Result of Doha climate change conference less than desirable


• Yang: It's time to abandon the myth that a consensus solution is the best approach


• He says the 25 major carbon emitters should work out an agreement among themselves


• Yang: Smaller, focused discussions may be better than large, U.N.-style gatherings

Editor's note: Tseming Yang, former deputy general counsel at the Environmental Protection Agency, is professor of law at Santa Clara University Law School.

(CNN) -- The Doha climate change conference this year was the most significant in nearly 20 years of gatherings under the U.N. Framework Convention process aimed at staving off future global warming disaster.

Since carbon dioxide emission limits agreed to under the 1997 Kyoto Protocol were to expire at the stroke of midnight on December 31, 2012, it was critical that the international community agreed to extend those obligations and to continue talks about future emission cuts.

But the outcome fell far short of what will be necessary to keep the world's average temperature from rising more than 2 degrees Celsius in the foreseeable future.

Under the Doha arrangement, 17 of the 25 biggest carbon emitting countries (including China, the United States, Russia and India) did not commit to any legally binding emission limits. The countries that did agree to extend and deepen their Kyoto emission reductions, including the European Union, Australia and Eastern Europe, make up only about 15% of the world's emissions. That seems like a rather meager return on the investment of time and effort over the past years.

But there is one silver lining.

The world's top 20 carbon emitters together make up about 77% of emission and account for about 4.3 billion people, which is about 62% of the global population. The remaining 170 or so countries account for just over 20% of emissions.

As often is the case, these negotiations over climate have come to symbolize epic David and Goliath struggles pitting poor developing countries against recalcitrant government officials from rich countries. Lobbying efforts, shaming tactics, and staging public demonstrations have been the slingshots of choice. One result is that more people are paying attention to environmental issues.

Nonetheless, it is time to abandon the myth that a consensus solution is necessarily the best approach. The unfortunate reality is that little can get done right now. It's like having hundreds of cooks with hundreds of different recipes attempting to prepare one meal in the same small kitchen. After two decades of hard work, it is time to consider reducing the number of cooks.

A better alternative to a United Nations-style conference would be for the 25 major emitters to come to an agreement just among themselves about their mutual commitments to deal with climate change effectively.

In other words, get the 25 cooks to work together on the main meal. The hundreds of other cooks ought to step out of the kitchen.

Some smaller, focused discussions have already started, such as in the Major Economies Forum. Imagine what kind of deals on cutting emissions would be possible just among China, India and the United States -- the top three emitters in the world respectively. Imagine a deal involving emission sources in China, which has some of the world's most polluting coal-fired power plants, and California, which is on a course to become one of the most stringently controlled states in carbon emissions.

Of course, there are no guarantees for success. But discussions within such a smaller group would allow government leaders to confront the realities of climate change and engage in direct horse-trading without the static of thousands of other voices desiring to load their issues into the deal.

Let's face it -- we are way beyond the time for finding an ideal solution. Every year the world waits to take further concrete steps to cut emissions, the atmosphere will be loaded with millions of tons more carbon dioxide that will stay for a century. And the job of limiting global warming to 2 degrees Celsius will be more out of reach.

At the best, gatherings like the one in Doha dangle a tantalizing mirage of achieving a sustainable future. At the worst, they give cover to governments that would rather avoid the hard choices they ultimately will have to make.

After one more expensive and time-consuming round of talks, it's time to be honest with what can really be accomplished in these U.N.-style gatherings.

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The opinions expressed in this commentary are solely those of Tseming Yang.

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