Al Qaeda killed over 3,000 US citizens on September 11, 2001, and terrorism leapt to the fore of US strategic and political priorities. Yet, after nearly six years of concentrated effort by the United States, the dominant power in the international system, Al Qaeda survives and is still acknowledged as a potent threat. This begs the question not just of why, but also of what the United States can do to redress the situation. Confronting Al-Qaeda asserts...