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President Barack Obama, left, walks with ...
AP - Ayer, 21.15President Barack Obama, left, walks with his family, from left, mother-in-law Marian Robinson, daughter Sasha Obama, first lady Michelle Obama, and daughter Malia Obama, to Marine One helicopter to depart the White House for Camp David Saturday, Nov. 7, 2009, in Washington. (AP Photo/Evan Vucci)
