His Columbia engagement gives him what he wants -- legitimacy -- and his hosts look rude to Islamic eyes. One of the world's truly dangerous men, Iranian President Mahmoud Ahmadinejad, left New York a clear winner this week, and he can thank the arrogance of the American academy and most of the U.S. news media's studied indifference for his victory. If the blood-drenched history of the century just past had taught American academics one thing, it should have been that the totalitarian impulse knows no accommodation with reason. You cannot change the totalitarian mind through dialogue or conversation, because totalitarianism...