Let Islamism Fail!
The Soviet system had a chance to fail, not entirely on its own, but without much actual fighting.
So far, the Iranian Islamists can say "Despite how America has tried to stop us, we persevere!" Meanwhile, if we dealt with them far more sensitively, and did not repeatedly call them a great threat, part of an axis of "evil," or, as the current President's choice for 2008 has said "Bomb. bomb. bomb, bomb, bomb Iran" (to the tune of Barbara Ann by the Beach Boys), the best the Iranians could say was "Our Islamist revolution is 30 years old, and all I have is this Lousy T-Shirt"