United States President Barack Obama speaks during the 71st session of the United Nations General Assembly at U.N. headquarters, Tuesday, September 20.
President Obama at the UN: Then and now
A look back at President Obama's first speech at the UN General Assembly in 2009 compared to his final speech, delivered in September of 2016.
01:45 - Source: CNN
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United States President Barack Obama speaks during the 71st session of the United Nations General Assembly at U.N. headquarters, Tuesday, September 20.
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