September 11 marked the beginning of a new era - an age of terror in which counter-terrorism will be one of the highest priorities of national governments and international institutions. While the resolve to do whatever necessary to combat terrorism will remain undiminished, a great debate has already begun : What exactly to be done? The answer will depend, in large measure, on the answer to a prior question: What happened here and why? In The Age of Terror, an agenda-setting team of experts begins to answer this question and examines the considerations and objectives of policy decisions in a post-September 11 world.