President Barack Obama, walking to the South Lawn of the White House in Washington, Monday, Aug. 31, 2015.
President Barack Obama, walking to the South Lawn of the White House in Washington, Monday, Aug. 31, 2015. Pablo Martinez Monsivais AP
President Barack Obama, walking to the South Lawn of the White House in Washington, Monday, Aug. 31, 2015. Pablo Martinez Monsivais AP

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