Protesters carry placards as they protest against the visit of President Barack Obama in Pretoria, South Africa June 28, 2013. Obama went to South Africa on Friday hoping to see ailing icon Nelson Mandela, after wrapping up a visit to Senegal that focused on improving food security and promoting democratic institutions. Obama is in the middle of a three-country tour of Africa that the White House hopes will compensate for what some view as years of neglect by the administration of America's first black president.
SIPHIWE SIBEKO / REUTERS
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