U.S. President Barack Obama (top 2nd L), flanked by Ethiopia's Prime Minister Hailemariam Desalegn (top L) and African Union Chairperson Nkosazana Dlamini-Zuma (top 2nd R), arrives to deliver remarks ... more 
U.S. President Barack Obama (top 2nd L), flanked by Ethiopia's Prime Minister Hailemariam Desalegn (top L) and African Union Chairperson Nkosazana Dlamini-Zuma (top 2nd R), arrives to deliver remarks at the African Union in Addis Ababa, Ethiopia July 28, 2015. Obama toured a U.S.-supported food factory in Ethiopia on Tuesday on the last leg of an Africa trip, before winding up his visit at the African Union where he will become the first U.S. president to address the 54-nation body. REUTERS/Jonathan Ernst less 
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Reuters | Photo By JONATHAN ERNST / REUTERS
Tue, Jul 28, 2015 7:16 AM EDT