- commons.wikimedia.org wiki/Barack_Obama
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- theguardian.com us-news/barack-obamaNews about Barack Obama, 44th US president who served from 20 January 2009 to 20 January 2017...
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- forbes.com profile/barack-obama/#48 Barack Obama on the 2016 Powerful People - America's outgoing president faces a legacy in jeopardy as his successor has threatened to unravel signature...
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