Backstory: US Drones Strikes and the "Disposition Matrix"

During Monday's Presidential debate, moderator Bob Schieffer asked just one question about U.S. drone-strikes, despite the fact that the controversial drone program is now one of the cornerstones of the country's counter-terrorism policy. Washington Post intelligence reporter Greg Miller tells us about his investigation of a next-generation targeting list called the “disposition matrix.” He's written about it in the Washington Post's special report, the Permanent War.