Obama addresses students in SowetoTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoGönna Ketels06/29/2013June 29, 2013On a state visit to South Africa that's been overshadowed by Nelson Mandela's poor health, the US president spoke to students in Soweto about the future of Africa.https://p.dw.com/p/18yajAdvertisement