Barack Obama, Takunda Ralph Michael Chingonzo

President Barack Obama participates in a discussion with Takunda Ralph Michael Chingonzo of Zimbabwe, co-founder of a start-up working to bring free Internet access to the public, at the US Africa Business Forum during the US Africa Leaders Summit, Tuesday, Aug. 5, 2014, at the Mandarin Oriental Hotel in Washington. African heads of state are gathering in Washington for an unprecedented summit to promote business development. (AP Photo/Charles Dharapak)