… Trump is a liar or that Alexandria Ocasio-Cortez is a Marxist—that people will change their minds. If they can just show you the right study that proves there is no link between vaccines and autism or that the planet is getting warmer, they’ll have to tap out and admit, “Okay, that was stupid. We’re wrong. We’ll agree with you now.” And when that doesn’t happen, that’s when the shaming and the humiliation and the personal attacks …