GREETING CADETS U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, greets ROTC students during a luncheon at the University of Pittsburgh, April 19, 2010. Mullen is hosting a "Conversation with the Country," a yearlong series of stops at America's universities to discuss issues important to the military and how educational institutions can help veterans and their families. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 615517-P-DTA67-642.jpg Photo Gallery