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Associated Press
A banner showing U.S. President Barack Obama and Senegalese counterpart Macky Sall hangs at the airport in Dakar, Senegal, Wednesday, June 26, 2013. President Obama opened a weeklong trip to Africa on Wednesday, a three-country visit aimed at overcoming disappointment on the continent over the first black U.S. president's lack of personal engagement during his first term. (AP Photo/Rebecca Blackwell)

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