There’s a common perception among newspeople that there’s nothing Donald Trump can do or say that will change anyone’s mind. This is often picked up by some Republicans, even those who are not especially enamored by the former president. They say Kamala Harris should stop calling him a fascist, for instance, because “name-calling” is going to alienate undecided voters who want policy, not politics. I should say misperception, because that’s what it is. If there’s doubt, consider that a new generation is discovering news about Donald Trump that is the foundation on which all the “more of the sa…