U.S. first lady Michelle Obama hugs Tebogo Tenyan, 16, during a youth event to highlight the importance of education at the Sci-Bono Discovery Centre, Saturday, June 29, 2013, in Johannesburg, South ... more 
U.S. first lady Michelle Obama hugs Tebogo Tenyan, 16, during a youth event to highlight the importance of education at the Sci-Bono Discovery Centre, Saturday, June 29, 2013, in Johannesburg, South Africa. Teenagers from around South Africa as well as students joining virtually in cities around the U.S. will participate. (AP Photo/Carolyn Kaster) less 
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Associated Press | Photo By Carolyn Kaster
Sat, Jun 29, 2013 1:08 PM EDT