This year, Schwartz has heard some argue that there must be a more thoughtful and nuanced version of Donald Trump that he is keeping in reserve for after the campaign. “There isn’t,” Schwartz insists. “There is no private Trump.” This is not a matter of hindsight. While working on “The Art of the Deal,” Schwartz kept a journal in which he expressed his amazement at Trump’s personality, writing that Trump seemed driven entirely by a need for public attention. “All he is is ‘stomp, stomp, stomp’—recognition from outside, bigger, more, a whole series of things that go nowhere in particular,” he observed, on October 21, 1986.