AP - 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."

AP - The Bush administration said in a new report Monday that Social Security is facing a $13.6 trillion shortfall and that delaying reforms is not fair to younger workers.

AP - In his outward persona at least, Iranian President Mahmoud Ahmadinejad came to this country to lessen hostility toward himself and to defend Iran, not to rabble-rouse and provoke hatred. Whether he succeeded remains an open question.