The lessons of Charleston: The real threat to America is right-wing terrorism

On Wednesday night, a man named Dylann Storm Roof allegedly entered a black church in Charleston, South Carolina, during a prayer meeting. There he reportedly sat quietly for almost an hour, before opening fire with a pistol and killing nine people. He has since been captured. When a mass shooting happens, people naturally wonder about the motivation. What we know so far is that Roof made overtly racist remarks to his friends; boasted a Facebook profile picture that showed him wearing the flags ...