Secretary of Defense Leon Panetta delivers his speech to Georgetown University students and faculty on leadership and public service in Washington, Wednesday, Feb. 6, 2013. (AP Photo/

 

              Secretary of Defense Leon Panetta delivers his speech to Georgetown University students and faculty on leadership and public service in Washington, Wednesday, Feb. 6, 2013.   (AP Photo/
Secretary of Defense Leon Panetta delivers his speech to Georgetown University students and faculty on leadership and public service in Washington, Wednesday, Feb. 6, 2013. (AP Photo/Manuel Balce Ceneta)