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US President Barack Obama speaks during the opening session of the 70th Session of the United Nations General Assembly at the United Nations headquarters on September 28, 2015 in New York. AFP PHOTO/MANDEL NGAN        (Photo credit should read MANDEL NGAN/AFP/Getty Images)
US President Barack Obama speaks during the opening session of the 70th Session of the United Nations General Assembly at the United Nations headquarters on September 28, 2015 in New York. AFP PHOTO/MANDEL NGAN        (Photo credit should read MANDEL NGAN/AFP/Getty Images)

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    Barack Obama's entire U.N. speech

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Barack Obama's entire U.N. speech

President Barack Obama talked about the United States role in the world, the Iran nuclear deal and the conflicts in Syria and Ukraine during a speech to the United Nations General Assembly.

Barack Obama's entire U.N. speech

President Barack Obama talked about the United States role in the world, the Iran nuclear deal and the conflicts in Syria and Ukraine during a speech to the United Nations General Assembly.