The United States has regained its status as the world's most competitive economy thanks to strong innovation and excellent universities, according to a survey released Wednesday by the World Economic Forum. ...more

November 1, 2007

The head of Iran's law enforcement agency warned Friday of a renewed crackdown on Iranians who adhere to Western cultural ways. ...more

October 20, 2007

In the months since nooses dangling from a schoolyard tree raised racial tensions in Jena, La., the frightening symbol of segregation-era lynchings has been turning up across the country. ...more

October 11, 2007

Iranian President Mahmoud Ahmadinejad questioned the official version of the Sept. 11 attacks and defended the right to cast doubt on the Holocaust in a tense appearance Monday at Columbia University, whose president accused the hard-line leader of behaving like 'a petty and cruel dictator.' ...more

September 25, 2007

A new analysis suggests there's been a huge increase in the number of U.S. children diagnosed with bipolar disorder, but experts question whether the surge is real and say some youngsters have been mislabeled. ...more

September 4, 2007