Trump just gave the world a masterclass in the persuasion tactic known as “pacing and leading”

Remember how shocking it was when Donald Trump threatened to bring Gennifer Flowers, Bill Clinton’s former mistress, to his first debate against Hillary Clinton? It was a new low, both for Trump and for politics—but only briefly. It also was an opening salvo in a two-part persuasion tactic that has become a hallmark of Trump’s…