May 23, 2013 — In a major speech, the president rejects the idea that the country can fight an opened-ended "global war on terror." In setting his own guidelines, he defines the standards for using drone strikes and again calls for closing the Guantanamo Bay prison.

May 24, 2013 — People in Oklahoma had been warned days in advance that the weather would be bad the day the tornado struck. Those warnings came from the National Weather Service's Storm Prediction Center in Norman, just a few miles from where the tornado hit Monday. Twenty-four people were killed.

May 24, 2013 — After a truck carrying a heavy load struck the side of a bridge that carries Interstate 5 over the Skagit River north of Seattle, the roadway collapsed. No one was killed. Dan Sligh and his wife were in a pickup. "You just hold on as tight as you can," he says of the fall they took.

May 24, 2013 — There is some political willingness, but because China is highly decentralized politically, the Communist Party has only limited influence over provincial governments and how they regulate their dirty factories. The powerful state-owned oil companies have also resisted pressure to produce cleaner-burning fuel.

May 24, 2013 — Not long after his shocking ballet, the composer branched out into a broad range of styles, ushering in new musical trends far from the violent tone of his iconic Rite of Spring.