U.S. President Barack Obama addresses the crowd during a memorial service for Nelson Mandela at FNB Stadium in Johannesburg, South Africa December 10, 2013. World leaders, from U.S. President Barack ... more 
U.S. President Barack Obama addresses the crowd during a memorial service for Nelson Mandela at FNB Stadium in Johannesburg, South Africa December 10, 2013. World leaders, from U.S. President Barack Obama to Cuba's Raul Castro, will pay homage to Mandela at the memorial that will recall his gift for bringing enemies together across political and racial divides. REUTERS/Kevin Lamarque less 
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Reuters | Photo By KEVIN LAMARQUE / Reuters
Tue, Dec 10, 2013 4:37 PM EST