A crowd gathers to watch Marine One, carrying U.S. President Barack Obama, land for a visit at the Demond Tutu HIV Foundation Youth Center on Sunday, June 30, 2013, in Cape Town, South Africa. The ... more 
A crowd gathers to watch Marine One, carrying U.S. President Barack Obama, land for a visit at the Demond Tutu HIV Foundation Youth Center on Sunday, June 30, 2013, in Cape Town, South Africa. The visit comes at a poignant time, with former South African president and anti-apartheid hero Nelson Mandela ailing in a Johannesburg hospital. (AP Photo/Evan Vucci) less 
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Associated Press | Photo By Evan Vucci
Mon, Jul 1, 2013 3:19 AM EDT