U.S. President Barack Obama, left, talks with Bishop Desmond Tutu during a visit to the Demond Tutu HIV Foundation Youth Center Sunday, June 30, 2013, in Cape Town, South Africa. (AP Ph

 

              U.S. President Barack Obama, left, talks with Bishop Desmond Tutu during a visit to the Demond Tutu HIV Foundation Youth Center Sunday, June 30, 2013, in Cape Town, South Africa. (AP Ph
U.S. President Barack Obama, left, talks with Bishop Desmond Tutu during a visit to the Demond Tutu HIV Foundation Youth Center Sunday, June 30, 2013, in Cape Town, South Africa. (AP Photo/Evan Vucci)