President Barack Obama speaks at the Pentagon, Thursday, June 30, 2011, during a farewell ceremony for Defense Secretary Robert Gates. (AP Photo/Evan Vucci)
Photos: Defense Secretary Robert Gates Receives Presidential Medal of Freedom Award
Photos: Defense Secretary Robert Gates Receives Presidential Medal of Freedom Award
President Barack Obama speaks at the Pentagon, Thursday, June 30, 2011, during a farewell ceremony for Defense Secretary Robert Gates. (AP Photo/Evan Vucci)