"Since August, 2017, Frontline and ProPublica have been investigating the resurgence of violent white supremacists in America. In Documenting Hate: Charlottesville, correspondent A.C. Thompson methodically tracks down some of those at the center of the infamous and deadly rally in Charlottesville, Virginia--revealing that one participant in the violence was an active-duty Marine, and another worked for a major defense contractor and held a U.S. government...