First Lady Michelle Obama tours the Hector Pieterson Memorial Museum in Soweto, South Africa, June 22, 2011. Mrs. Obama is accompanied by Antoinette Sithole, left, Pieterson’s sister, and men who led the Soweto protests. Hector Pieterson, 12, was shot and killed by apartheid government police during the Soweto student uprising on June 16, 1976. (Official White House Photo by Samantha Appleton)