The Sept. 11 Commission report describes the disastrous consequences of not taking action. Iraq demonstrates the dangers of the opposite course. How should America operate in these dangerous times? Join NPR's Neal Conan and his guests to revisit the policy of pre-emption.
John Mearsheimer, professor, University of Chicago. Author of The Tragedy of Great Power Politics
Tom Donnelly, resident fellow in defense and national security studies at the American Enterprise Institute. Author of Operation Iraqi Freedom: A Strategic Assessment.