Columbia University President Lee Bollinger speaks before Iranian President Mahmoud Ahmadinejad is introduced at Columbia University in New York

 
Columbia University President Lee Bollinger speaks before Iranian President Mahmoud Ahmadinejad is introduced at Columbia University in New York
Columbia University President Lee Bollinger speaks before Iran's President Mahmoud Ahmadinejad is introduced at Columbia University in New York, September 24, 2007. Ahmadinejad reiterated on Monday that his country's nuclear program was for peaceful purposes and not to develop weapons. REUTERS/Shannon Stapleton (UNITED STATES)