The following segment was on Bill Moyers' Journal last week.

http://www.pbs.org/moyers/journal/07272007/watch2.html

Al Qaeda and Iraq
Who exactly is the enemy in Iraq and how does al Qaeda fit in? Bill Moyers talks with West Point Instructor, Brian Fishman, and Middle Eastern and International Affairs Professor Fawaz Gerges, discussing the growing power of al Qaeda and its connections to the war in Iraq.