President Barack Obama and first lady Michelle Obama arrive at Waterkloof Air Base, Friday, June 28, 2013, in Centurion, South Africa. The president is in South Africa, embarking on the second leg of ... more 
President Barack Obama and first lady Michelle Obama arrive at Waterkloof Air Base, Friday, June 28, 2013, in Centurion, South Africa. The president is in South Africa, embarking on the second leg of his three-country African journey. 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 
1 / 30
Associated Press | Photo By Evan Vucci
Sat, Jun 29, 2013 3:29 AM EDT