Last week, a racist mass shooter massacred 10 people and wounded three others at a Buffalo, New York, supermarket. The shooter was a white supremacist; his hate-filled 180-page screed about why he had committed the shooting was replete with neo-Nazi sentiments. According to the shooter, he had to slaughter innocent black Americans in order to prevent the white population of the United States from being crowded out. “We are experiencing an invasion on a level never seen before in history,” wrote the perverse murderer. “This is ethnic replacement. This is cultural replacement. This is racial replacement. This is WHITE GENOCIDE.” …