The administration has now begun to speak of a 'global struggle against violent extremism'. We'll hear different views on the mix of political and religious factors believed to be motivating violent extremists.
Editor, Newsweek International, and author of several books, including "The Post-American World," now out in paperback. He is the host of the CNN program 'GPS,' and co-host of PostGlobal, an online discussion of international issues at the Washingtonpost.com
professor of political science at the University of Chicago and author of "Dying to Win: The Strategic Logic of Suicide Terrorists"
director of the RAND Corporation's Washington, DC office. He holds the RAND Corporate Chair in Counterterrorism and Counterinsurgency, and is author of "Inside Terrorism."