U.S. president Barack Obama, 美國總統歐巴馬

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歐巴馬告別派對　比川普就職典禮更受歡迎 | 即時新聞 | 20170107 | 蘋果日報

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President Barack Obama hugs Democratic Presidential candidate Hillary Clinton after addressing the delegates during the third day session of the Democratic National Convention in Philadelphia, on July 27. (Carolyn Kaster/Associated Press)
The year 2016 in pictures:Part II - The Boston Globe
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What marks does Obama's presidency deserve? - BBC News
http://www.bbc.com/news/world-us-canada-38525529