The first novel ever written about terrorism, Dostoevsky'sThe Demons is also the most instructive, for in it he addresses--better than any writer before or since--the two persistent riddles of terrorism: why are terrorists so new to our civilization, and how is it that they can kill others so easily in the name of a political idea? As a first-generation observer of terrorism, Dostoevsky came to the conclusion that this new political movement was the product ofmodern culture, politics, and psychology. He felt that modernity created a unique shame and humiliation that fueled terrorism. The...