Anyone like this, whether conservative or liberal is a danger to society, and most likely, mental.  Unfortunately, those who subscribe to the republican playbook will try to pose this as a problem with liberals only.  It is ALL of our society that has become violent, but everyone is on notice that this is not typical action for a liberal, and that we, in no way, condone or defend this action.  Shooting someone is ethically wrong, and we abhor it.  It is possible that an "anti-republican" person is also an anarchist.  His rants sound like those of an anarchist, and we Democrats are definitely NOT anarchists.