The Democrats’ behavior after 2016 is not mass delusion or mass hysteria or Trump Derangement Syndrome, or any of the other psychobabble explanations that dominate our political commentary. My first career was as a psychoanalytic psychotherapist, and I am not impressed with spraying around clinical terms as a substitute for looking at what is in front of us. Trump Derangement Syndrome is a colorful description for political behavior. It is not an analysis of what causes it. Under Barack Obama, ordinary Democrats became enamored of the narrative that they were the Good People, hence entitled to crush anyone in their...