Iranian President Ahmadinejad Challenges Presidential Candidates to a Debate Thursday, September 18, 2008 Iran's hardline President Mahmoud Ahmadinejad challenged the U.S. presidential candidates to a debate when he is in New York for the U.N. General Assembly next week, Agence France Presse reported Thursday. The Iranian leader also dismissed Western threats over Tehrans nuclear ambitions. "I am ready for a debate with the U.S. presidential candidates over global issues in the presence of the media at the U.N. headquarters, Ahmadinejad said at a press conference in Tehran. "I have no plans in my schedule to meet with U.S. politicians. The outspoken president caused a storm of controversy during a visit last year to Columbia University. FOXNews.com - Iranian President Ahmadinejad Challenges Presidential Candidates to a Debate - International News | News of the World | Middle East News | Europe News Come on Obama. Show us what ya got!