The venue was different -- the grand hall of the UN General Assembly -- but Iranian President Mahmoud Ahmadinejad's message was the same as it has been for months. Fresh from his performance as a human pinata at Columbia University, the Iranian president took the opportunity this week to remind the nations of the world just how much contempt he and his country held for the UN Security Council. In sum, a lot. After two sets of sanctions, and many more deadlines for Iran to suspend its nuclear program, Ahmadinejad dared the nations of the world to stop Iran's nuclear...