President Barack Obama and Joint Chiefs Chairman Adm. Mike Mullen, escort outgoing Defense Secretary Robert Gates during an Armed Forces Farewell Tribute in honor of Gates, Thursday, June 30, 2011, at... more 
President Barack Obama and Joint Chiefs Chairman Adm. Mike Mullen, escort outgoing Defense Secretary Robert Gates during an Armed Forces Farewell Tribute in honor of Gates, Thursday, June 30, 2011, at the Pentagon. (AP Photo/Pablo Martinez Monsivais) less 
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Associated Press | Photo By Pablo Martinez Monsivais
Thu, Jun 30, 2011 10:17 AM EDT