First Lady Michelle Obama and Ho Ching(C), wife of Singapore's Prime Minister Lee Hsien Loong look at a portrait of the 16th President of the US, Abraham Lincoln as they are escorted through the National Gallery of Art in Washington DC, August 2, 2016 by Museum Director Earl "Rusty" Powell III. / AFP PHOTO / CHRIS KLEPONISCHRIS KLEPONIS/AFP/Getty Images
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