The NAACP is calling for more to be done to stop the spread of white supremacist violence after Payton Gendron — the 19-year-old who killed 10 Black people at a Buffalo supermarket last May — was sentenced to life in prison without parole on Wednesday. “The sad reality is that the Black community lives under the constant threat of violence,” Derrick Johnson, president and CEO of the organization, said in a statement after Gendron’s sentencing. “Every time we visit our churches, the grocery store, we are forced to consider the fact that we may never return home,” the statement reads....