Former Charleston, South Carolina Mayor Joseph Riley and professor Kerry Taylor co-teach a course at The Citadel military college looking at why a new African American history museum is being built in the city. They're joined by Harvard University professor Henry Louis Gates Jr. who talks about his work with PBS on the documentary "Reconstruction: America After the Civil War."  This is part of a series of collegiate lectures from The Citadel which are airing on American History TV..

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