U.S. President Barack Obama and First Lady Michelle Obama board Air Force One at the end of the final leg of their weeklong visit to Africa, at the Julius Nyerere airport in Dar es Salaam, Tanzania ... more 
U.S. President Barack Obama and First Lady Michelle Obama board Air Force One at the end of the final leg of their weeklong visit to Africa, at the Julius Nyerere airport in Dar es Salaam, Tanzania Tuesday, July 2, 2013. President Barack Obama on Monday courted African business leaders and announced new trade initiatives to open up East Africa's markets to American businesses, as he sought to counter the rise of Chinese economic influence in the growing continent. (AP Photo/Ben Curtis) less 
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Associated Press | Photo By Ben Curtis
Tue, Jul 2, 2013 6:43 AM EDT