ROBERT SPENCER is the director of Jihad Watch, a program of the David Horowitz Freedom Center, and the author of ten books, including the New York Times bestsellers The Truth About Muhammad and The Politically Incorrect Guide to Islam (and the Crusades). Spencer is a weekly columnist for Human Events and FrontPage Magazine, and has led seminars on Islam and jihad for the United States Central Command, United States Army Command and General Staff College, the U.S. Army's Asymmetric Warfare Group, the FBI, the Joint Terrorism Task Force, and the U.S. intelligence community.