Bruce Riedel

By rushing into Iraq instead of finishing off the hunt for Osama bin Laden, Washington has unwittingly helped its enemies: al Qaeda has more bases, more partners, and more followers today than it did on the eve of 9/11. Now the group is working to set up networks in the Middle East and Africa -- and may even try to lure the United States into a war with Iran. Washington must focus on attacking al Qaeda's leaders and ideas and altering the local conditions in which they thrive.

This article appears in the Foreign Affairs eBook, "The U.S. vs. al Qaeda: A History of the War on Terror." Now available for purchase.