While there is no easy way to define terrorism, it may generally be viewed as a method of violence in which civilians are targeted with the objective of forcing a perceived enemy into submission by creating fear, demoralization, and political friction in the population under attack. At one time a marginal field of study in the social sciences, terrorism is now very much in center stage. The 1970s terrorist attacks by the PLO, the Provisional Irish Republican Army, the Popular Front for the Liberation of Palestine, the Japanese Red Army, the Unabomber, Aum Shinrikyo, Timothy McVeigh, the...