"On November 3, 1979, as activist Nelson Johnson assembled people for a march adjacent to Morningside Homes in Greensboro, North Carolina, gunshots rang out. A caravan of Klansmen and Neo-Nazis sped from the scene, leaving behind five dead. Known as the "Greensboro Massacre," the event and its aftermath encapsulate the racial conflict, economic anxiety, clash of ideologies, and toxic mix of corruption and conspiracy that roiled American democracy...