Chief Executive Officer of the Center for a New American Security (CNAS) Michèle Flournoy introduces 18th Chairman of the Joint Chiefs of Staff Gen. Martin E. Dempsey before he speaks at a conference on civil-military divide and the future of the all-volunteer force hosted by CNAS at the Willard InterContinental Hotel in Washington Nov. 20, 2014. (DOD photo by Mass Communication Specialist 1st Class Daniel Hinton/released)