Latest on Americas Summit: Diplomacy can be tiring work

Christmas in August

President Barack Obama listens during the CEO Summit of the Americas panel discussion in Panama City, Panama, Friday, April 10, 2015. Obama is in Panama to attend the VII Summit of the Americas. (AP Photo/Pablo Martinez Monsivais)5:35 p.m. (2235 GMT, 6:35 p.m. EDT)

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