Scott Ritter was a Marine Corps intelligence officer from 1984 to 1991 and a United Nations weapons inspector in Iraq from 1991 to 1998. He is the author of numerous books, including "Iraq Confidential" (Nation Books, 2005) , "Target Iran" (Nation Books, 2006) and his latest, "Waging Peace: The Art of War for the Antiwar Movement" (Nation Books, April 2007).