A septuagenarian college graduate pays tribute

A few years ago, Linwood Riddick, of Summerville, S.C., learned of the 1968 "Orangeburg Massacre" protest at South Carolina State University, during which three Black students were killed. The Vietnam War veteran and retired shop owner felt compelled to honor their sacrifice by graduating from the HBCU – at the age of 79. Steve Hartman reports.

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