WASHINGTON — Donald Trump is stuck in his own skull. “He lives inside his head, where he runs the same continuous loop of conflict with people he turns into enemies for the purposes of his psychodrama,” says Trump biographer Michael D’Antonio. Because Trump holds Thor’s hammer, we must keep trying to figure out his aggrieved style of reasoning. So we’re stuck in Trump’s head with him.And the more Trump turns journalists into whipping boys and targets, the more he sounds like a dictator himself. “When Trump was a kid, he was obsessed with intimidating other boys,” D’Antonio says. “Prior to...