Hillary Clinton made the announcement during a UN conference on nonproliferation. The move toward transparency is part of Obama’s quest for a nuclear-weapons-free world.

Waveland, Miss., still bears the marks of Katrina in trailers, unfinished construction, and a closed waterpark. Now, the BP oil spill is threatening its coast. Residents wonder if the town can survive.

Conan O'Brien, appeared on television Sunday night for the first time since his abrupt departure from NBC's 'Tonight Show.' Cultural buzz, not ratings, will fuel his success, observers say.

AP - The registered owner of an SUV that was parked in Times Square and rigged with a crude propane-and-gasoline bomb told investigators he sold the vehicle to a stranger for cash three weeks ago, a law enforcement official said Monday.

AP - Iranian President Mahmoud Ahmadinejad and Secretary of State Hillary Rodham Clinton engaged in a verbal nuclear exchange Monday on the U.N. stage, where nations gathered for a monthlong debate over the world's ultimate weapons.

AP - An off-duty sheriff's deputy says he pursued a woman who was wielding two large knives through a West Hollywood Target store before he arrested her on suspicion of stabbing and wounding four people.