Associated Press writer Nahal Toosi says Mahmoud Ahmadinejad “questioned the official version” of the 9/11 attacks, and “defended the right to cast doubt on the Holocaust.”

Unbelievable: Ahmadinejad questions 9/11, Holocaust.

NEW YORK - 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 at Columbia University, whose president accused the hard-line leader of behaving like “a petty and cruel dictator.”