It’s not immediately obvious how the “great replacement” theory, often framed as anti-immigrant doctrine meant to preserve predominantly white societies, is connected to the shooting of Black customers and employees at a grocery store in Buffalo last weekend. Those at the store, who lived over 100 miles away from the man accused in the killings, were simply going about their lives ( picking up groceries, buying a birthday cake , taking their children for ice cream ). But the explanation for both the choice of targets and the brutality of an attack that killed 10 people can be found in...