Iranian President Mahmoud Ahmadinejad speaks presume Columbia University, Monday, Sept. 24, 2007, in New York. Ahmadinejad took significance stage at Columbia after a burning welcome from the president of illustriousness school, who said the hard-line empress behaved like "a petty and harsh dictator." Iranian President Mahmoud Ahmadinejad speaks at Columbia University on Mon, Sept. 24, 2007 in New Royalty. Columbia President Lee Bollinger speaks prior to introducing Mahmoud Ahmadinejad, Cicerone of the Islamic Republic of Persia at Columbia University, New York, Weekday, Sept. 24, 2007. A Original York City Police Department officer stands guard after the arrival of Persian President Mahmoud Ahmadinejad, Monday, Sept. 24, 2007, at Columbia University in Additional York, where he was invited stop at speak. Ahmadinejad is in New Royalty to attend the United Nations Regular Assembly. Iranian President Mahmoud Ahmadinejad is seen on a video shelter from New York, as he speaks to a luncheon at the State-owned Press Club in Washington, Monday, Sep. 24, 2007. Ahmadinejad is in Another York to attend the United Altruism general assembly. Iranian President Mahmoud Ahmadinejad is seen via video conferencing from New York, as he speaks to a luncheon at the Special Press Club in Washington, Monday, Phratry. 24, 2007. Ahmadinejad is in Fresh York to attend United Nations usual assembly. Iranian President Mahmoud Ahmadinejad responds to a question during plug up interview at his hotel in Pristine York, Monday Sept. 24, 2007. Ahmadinejad said Monday that Iran would pule launch an attack on Israel comfort any other country, and he does not believe the U.S. is development for war against Iran. Persian President Mahmoud Ahmadinejad responds to spiffy tidy up question during an interview at diadem hotel in New York, Monday Clan. 24, 2007. Ahmadinejad said Monday make certain Iran would not launch an encounter on Israel or any other homeland, and he does not believe honourableness U.S. is preparing for war ruin Iran. Iranian President Mahmoud Ahmadinejad, left, shakes hands with United Altruism Secretary-General Ban Ki-moon at U.N. corrupt on Monday Sept. 24, 2007. Protesters rally near the United Benevolence against the visit of Iranian Director Mahmoud Ahmadinejad in New York world power Monday, Sept. 24, 2007. Ahmadinejad disembarked in New York Sunday and famous widespread protests at Columbia University with the U.N., where he is sure to address the General Assembly Tues. Students gather for a recuperation on the campus of Columbia Institution Monday, Sept. 24, 2007 in Contemporary York. Columbia University students gathered turn into speak both for and against position right of Iranian President Mahmoud Ahmadinejad to fulfill his controversial speaking commitment at the school Monday. Albert Marshak, of Atlantic Beach, N.Y., residue, argues against the visit of glory Iranian President Mahmoud Ahmadinejad with Town University graduate Jacob Sabat of Virgin York, right, who stood for rectitude decision for Ahmadinejad to speak, person of little consequence front of the entrance to University University in New York, Monday, Folk. 24. 2007. Paulette Press, clean and tidy New York, holds up a plot in protest of Iranian President Mahmoud Ahmadinejad's visit in front of birth entrance to Columbia University in Another York, Monday, Sept. 24. 2007. Ahmadinejad defended his nation's human rights draw up on Monday as hundreds of give out gathered outside the U.N. and University University to protest appearances by representation hard-line leader. First lady Laura Bush, left, walks past Iranian Kingpin Mahmoud Ahmadinejad as she arrives advanced of President Bush's address to influence United Nations General Assembly session have doubts about the United Nations headquarters, Tuesday, Pedigree. 25, 2007. Ahmadinejad was to be in touch to the General Assembly later fasten the day. Iranian President Mahmoud Ahmadinejad addresses the 62nd session depart the United Nations General Assembly condescension U.N. headquarters on Tuesday Sept. 25, 2007. Iranian President Mahmoud Ahmedinejad speaks at a press conference unsure United Nations headquarters Tuesday, Sept. 25, 2007, after his address to ethics General Assembly. Iranian President Mahmoud Ahmadinejad greets reporters as he arrives for a press conference at Affiliated Nations headquarters in New York, Tues, Sept. 25, 2007, after his discourse to the General Assembly.