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A poll of likely caucus voters in Iowa indicates Republican Mike Huckabee has opened up a lead over Mitt Romney. On the Democratic side, the poll gives Barack Obama a slight edge over Hillary Clinton and John Edwards, but that race is still very close.

Friday morning in Pakistan, a detention order was imposed on former Prime Minister Benazir Bhutto. By the end of the day, it was lifted. The United States expressed concern about her detention and urged Pakistani authorities "to quickly return to constitutional order and democratic norms."

Two teams independently discover a way to turn ordinary human skins cells into stem cells with the same characteristics as those derived from human embryos, a breakthrough that could open the door for advanced medical therapies.

A British school teacher faced execution following an incident involving a teddy bear, and, in Saudi Arabia, a female rape victim was chastised for being alone with a man who was not her husband when she and the man were both gang raped. An Imam explains worlwide anger over the incidents.

Millions of people go to Bangkok for medical care. These medical tourists, who get everything from face-lifts to heart-bypass operations, have helped boost the Thai economy. But doctors are so busy, Thais are having trouble getting care.

Dan Kurtzer, former U.S. Ambassador to Israel, discusses the prospects for next week's Middle East peace conference in Annapolis, Md. Among the issues for leaders will be security for Israelis and Palestinians, Palestinian refugees and Israeli settlements.

The Red Cross has dismissed two supervisors and a Hurricane Katrina volunteer in response to allegations of fraud and mismanagement. The agency will refer their cases to authorities for possible criminal prosecution.

The Boston Red Sox have won their second World Series in four seasons, beating the Colorado Rockies 4-3 in Denver. The Red Sox swept the Rockies, becoming the first team to win multiple championships since 2000.

Eating the omega-3 fatty acids found in fish has its benefits for the developing brain, but some women are advised to eat only limited amounts due to concerns about mercury. But one lab is cooking up brain food from where fish get it: algae.

Among the thousands of wildfire evacuees at San Diego's Qualcomm Stadium are about 100 elderly nursing-home residents. Many have spent the past three days in wheelchairs, waiting for a time when it's safe for them to return to the nursing home.