File photo of U.S. Secretary of State John Kerry shaking hands with U.S. Marines based in Baghdad during his visit to the U.S. Embassy in Baghdad

 
File photo of U.S. Secretary of State John Kerry shaking hands with U.S. Marines based in Baghdad during his visit to the U.S. Embassy in Baghdad
U.S. Secretary of State John Kerry (front R) shakes hands with U.S. Marines based in Baghdad during his visit to the U.S. Embassy in Baghdad in this March 24, 2013, file photo. REUTERS/Jason Reed/Files