Billionaire tech investor Peter Thiel allegedly told two of his classmates at Stanford that he thought South Africa's apartheid was "a sound economic system." Carolyn Kaster/AP hide caption

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Carolyn Kaster/AP

A mine worker sings and dances during a gathering at the Lonmin Platinum Mine near Rustenburg, South Africa, on Wednesday. Some 270 miners were charged with murder Thursday in connection with the deaths of 34 of their striking colleagues. Themba Hadebe/AP hide caption

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Themba Hadebe/AP