President Bush says defeating al-Qaida in Iraq is critical to winning the war on terrorism. He has signed a new executive order broadly outlining the rules for interrogation the CIA can use when questioning terrorism suspects. Terrorism experts discuss al-Qaida's goals.
Karen DeYoung, senior diplomatic correspondent, The Washington Post
Daniel Byman, director of the Center for Peace and Security Studies at Georgetown University; senior fellow at the Saban Center for Middle East Policy, Brookings Institution; author, The Five Front War: The Better Way to Fight Global Jihad
Peter Bergen, senior fellow at the New America Foundation; author, Holy War, Inc.: Inside The Secret World of Osama bin Laden and The Osama bin Laden I Know: An Oral History of al Qaeda's Leader