President Obama at the U.S. Mission to the United Nations

President Barack Obama looks at a display outside the office of Amb. Samantha Power, U.S. Permanent Representative to the United Nations, at the United States Mission to the United Nations in New York, N.Y. Sept. 27, 2015. The display refers to a campaign launched by Amb. Power Sept. 1 that raises awareness and highlights cases of twenty women political prisoners and other prisoners of concern from around the world, and calls for their release. (Official White House Photo by Pete Souza)

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• September 2015: Photo of the Day