Cells switch identity in biological breakthrough
Talk about an extreme makeover: Scientists have transformed one type of cell into another in living mice, a big step toward the goal of growing replacement tissues to treat a variety of diseases.
NYT: For Obama, a challenge to clarify
For Senator Barack Obama, the theatrics and drama of this one are overwhelming one of his most important tasks here: connecting with the economic anxiety gripping voters and convincing them that he has concrete and achievable solutions.
Todd: Biden's time finally arrives
Joe Biden can be counted on to make the case for Barack Obama and prosecute the case against John McCain. But NBC News political director Chuck Todd wonders will he control his instinct to be No. 1?
One-horse town to be no-horse town
A one-horse town in Nebraska looks like it's set to become a no-horse town.
Indicted Stevens wins Alaska primary
Alaska Republicans gave U.S. Sen. Ted Stevens, currently facing a federal indictment, a primary victory on Tuesday.
Gulf Coast watches ominous Gustav
Gulf coast residents keep a close watch on Hurricane Gustav as the third anniversary of Katrina approaches.
Iraq: U.S. sought troop presence to '15
The United States asked Iraq for permission to keep its troops there to 2015, but U.S. and Iraqi negotiators agreed to limit their authorization to 2011, Iraqi President Jalal Talabani said.
Computer virus hits space station
A virus designed to swipe passwords from online gamers has inexplicably popped up in some laptop computers aboard the international space station.
U.S. avoids Russia-held port
Western leaders warns Russia to "change course," hoping to keep a conflict that threatens a key nuclear pact and could even raise U.S. chicken prices from blossoming into a new Cold War.
Jury: Death for child killer Duncan
A federal jury recommended the death sentence for convicted child killer Joseph Edward Duncan III on charges related to the kidnapping and murder of Dylan Groene.