A pattern emerges. Donald Trump is a habitual liar, and the thing about habitual liars is that they lie habitually. In a testy exchange with former Florida governor Jeb Bush, Trump insisted that he’d never gone bankrupt, and that claims to the contrary are a lie. That’s the Trump magic right there: Lying about your business history is one thing, lying that your critics are lying about it is another. Trump has a peculiar way of speaking about bankruptcy: He has a deep aversion to the word itself. He speaks of “putting a company into a chapter†without ever answering...