FILE - In this Thursday, Feb. 5, 2008 file photo, a photograph of Barack Obama Sr., father of President Barack Obama, hangs on the wall of his step-grandmother Sarah Obama's house in the village of Kogelo, near the shores of Lake Victoria, in Kenya. On Friday, July 24, 2015 Obama is due to arrive in Kenya, the country of his father's birth, for the first time since he was a U.S. senator in 2006, and the first stop on his two-nation African tour in which he will also visit Ethiopia. (AP Photo/Ben Curtis, File)