Secretary of Defense Chuck Hagel, center left, takes a question from a U.S. Naval War College student following a live interview about defense issues with Jim Sciutto, center right, the chief national security correspondent for CNN, at the college in Newport, R.I., Sept. 3, 2014. Hagel conducted the CNN interview and a subsequent question-and-answer session with students, staff members and faculty members as part of a six-day trip that also included a stop at the 2014 NATO Summit in Wales.