I reference the sociological term "cumulative circular social interaction"......violence begets violence.  I have no problem with defending oneself, but only in the most extreme circumstances must that require violence.  We are seeing a resurgence of white supremacy like I've not seen since the Southern racists' fight against integration.  We're also seeing some violent reactions to it with escalating levels of that violence.  Surely we can counteract the white supremacy movement without resorting to such violence.  Gary Crum