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Retired judge Michael Mukasey, the nominee for attorney general, returns to the Senate Judiciary Committee for a second round of questioning. He says torture is illegal, but did not specify what techniques constitute torture or what methods would be banned.

German researcher Gerhard Ertl has won the 2007 Nobel Prize in chemistry. Ertl developed new methods for studying the "surface chemistry" that is critical to everything from catalytic converters for cleaning up auto exhaust, to the chemical reactions that created the hole in the ozone layer.

Searchers say they have found no sign of Steve Fossett after his single-engine plane disappeared in the rugged mountains and sagebrush-filled desert of western Nevada.

The leader of a Marine squad that killed 24 civilians, including women and children, in the Iraqi town of Haditha faces a military hearing at Camp Pendleton. Sgt. Frank Wuterich is charged with 18 counts of murder in the largest criminal case to emerge from the war in Iraq.

South African pianist and composer Abdullah Ibrahim grew up in Cape Town, but spent much of his life in exile. Inspired by Duke Ellington, Ibrahim's sound became more deeply rooted in Africa.

The mine cave-in last week in Utah was the second collapse at the Crandall Canyon. One last spring was in a section near where the six miners are now trapped. According to a consultant's memo, the earlier cave-in caused the company to abandon that section of the mine.

There is still no indication the trapped miners are alive after being cut off by a mountain of rock some 1,500 feet underground. Early Friday, crews drilling holes in a Utah mountain lowered a microphone to the spot where the collapse occurred, but heard no sounds. The mine's owner remains hopeful.

Asserting executive privilege, the White House says it will not respond to subpoenas for documents and testimony sought by Congress in the firing of eight federal prosecutors.

President Bush stiffened economic sanctions against Sudan on Tuesday in a bid to end bloody conflict in the African nation's Darfur region, saying "the United States will not avert our eyes from a crisis that challenges the conscience of the world."

The 10 Republican candidates for president held their second debate last night in South Carolina. The state is seen as critical to choosing the next GOP nominee. Abortion and terrorism were key points for the debate.