Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, answers a question from moderator Lesley Stahl during the Aspen Security Forum in Aspen, Colo., July 24, 2014. The annual forum consists of panel discussions as well as in-depth conversations with leaders involved in government security issues.
DoD photo by Army Staff Sgt. Sean K. Harp
Download high resolution image