US walks out on Ahmadinejad UN speech

President Mahmoud Ahmadinejad of Iran addresses the United Nations General Assembly at United Nations headquarters, Thursday, Sept. 23, 2010. (AP Photo/Henny Ray Abrams)

September 23, 2010 2:20:05 PM PDT
The U.S. delegation walked out of the U.N. speech of Iranian President Mahmoud Ahmadinejad on Thursday after he said some in the world have speculated that Americans were actually behind the Sept. 11 terror attacks, staged in an attempt to assure Israel's survival.