During the Tulsa race riots in 1921, black businesses and homes in the Greenwood District in Tulsa, Oklahoma, were destroyed at the hands of white residents. Bettmann Archive/Getty Images Gregory B. Fairchild, University of Virginia My family sat down to watch the first episode of HBO’s “Watchmen” last October. Stephen Williams, the director, included quick … Continue reading From grandfather to grandson, the lessons of the Tulsa race massacre