Iranian President Mahmoud Ahmadinejad speaks at Columbia University, Monday, Sept. 24, 2007, in New York. Ahmadinejad took the stage at Columbia after a blistering welcome from the president of the school, who said the hard-line leader behaved like "a petty and cruel dictator."
Iranian President Mahmoud Ahmadinejad speaks at Columbia University on Monday, Sept. 24, 2007 in New York.
Columbia President Lee Bollinger speaks prior to introducing Mahmoud Ahmadinejad, President of the Islamic Republic of Iran at Columbia University, New York, Monday, Sept. 24, 2007.
A New York City Police Department officer stands guard after the arrival of Iranian President Mahmoud Ahmadinejad, Monday, Sept. 24, 2007, at Columbia University in New York, where he was invited to speak. Ahmadinejad is in New York to attend the United Nations General Assembly.
Iranian President Mahmoud Ahmadinejad is seen on a video screen from New York, as he speaks to a luncheon at the National Press Club in Washington, Monday, Sep. 24, 2007. Ahmadinejad is in New York to attend the United Nations general assembly.
Iranian President Mahmoud Ahmadinejad is seen via video conferencing from New York, as he speaks to a luncheon at the National Press Club in Washington, Monday, Sept. 24, 2007. Ahmadinejad is in New York to attend United Nations general assembly.
Iranian President Mahmoud Ahmadinejad responds to a question during an interview at his hotel in New York, Monday Sept. 24, 2007. Ahmadinejad said Monday that Iran would not launch an attack on Israel or any other country, and he does not believe the U.S. is preparing for war against Iran.
Iranian President Mahmoud Ahmadinejad responds to a question during an interview at his hotel in New York, Monday Sept. 24, 2007. Ahmadinejad said Monday that Iran would not launch an attack on Israel or any other country, and he does not believe the U.S. is preparing for war against Iran.
Iranian President Mahmoud Ahmadinejad, left, shakes hands with United Nations Secretary-General Ban Ki-moon at U.N. headquarters on Monday Sept. 24, 2007.
Protesters rally near the United Nations against the visit of Iranian President Mahmoud Ahmadinejad in New York on Monday, Sept. 24, 2007. Ahmadinejad arrived in New York Sunday and faced widespread protests at Columbia University and the U.N., where he is scheduled to address the General Assembly Tuesday.
Students gather for a rally on the campus of Columbia University Monday, Sept. 24, 2007 in New York. Columbia University students gathered to speak both for and against the right of Iranian President Mahmoud Ahmadinejad to fulfill his controversial speaking engagement at the school Monday.
Albert Marshak, of Atlantic Beach, N.Y., left, argues against the visit of the Iranian President Mahmoud Ahmadinejad with Columbia University graduate Jacob Sabat of New York, right, who stood for the decision for Ahmadinejad to speak, in front of the entrance to Columbia University in New York, Monday, Sept. 24. 2007.
Paulette Press, of New York, holds up a sign in protest of Iranian President Mahmoud Ahmadinejad's visit in front of the entrance to Columbia University in New York, Monday, Sept. 24. 2007. Ahmadinejad defended his nation's human rights record on Monday as hundreds of people gathered outside the U.N. and Columbia University to protest appearances by the hard-line leader.
First lady Laura Bush, left, walks past Iranian President Mahmoud Ahmadinejad as she arrives ahead of President Bush's address to the United Nations General Assembly session at the United Nations headquarters, Tuesday, Sept. 25, 2007. Ahmadinejad was to speak to the General Assembly later in the day.
Iranian President Mahmoud Ahmadinejad addresses the 62nd session of the United Nations General Assembly at U.N. headquarters on Tuesday Sept. 25, 2007.
Iranian President Mahmoud Ahmedinejad speaks at a press conference at United Nations headquarters Tuesday, Sept. 25, 2007, after his address to the General Assembly.
Iranian President Mahmoud Ahmadinejad greets reporters as he arrives for a press conference at United Nations headquarters in New York, Tuesday, Sept. 25, 2007, after his address to the General Assembly.