President Barack Obama returns to the White House in Washington from a 

President Barack Obama returns to the White House in Washington from a trip to Costa Rica and Mexico, Saturday, May 4, 2013.  (AP Photo/Manuel Balce Ceneta)
Associated Press
President Barack Obama returns to the White House in Washington from a trip to Costa Rica and Mexico, Saturday, May 4, 2013. (AP Photo/Manuel Balce Ceneta)
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