Donald Trump’s second White House chief of staff tried to stop him praising Adolf Hitler in part by trying to convince the then president Benito Mussolini, the Italian fascist dictator, was “a great guy in comparison”. “He said, ‘Well, but Hitler did some good things,’” the retired marines general John Kelly told Jim Sciutto of CNN in an interview for a new book. “I said, ‘Well, what?’ And he said, ‘Well, [Hitler] rebuilt the economy.’ But what did he do with that rebuilt economy? He turned it against his own people and against the world. And I said, ‘Sir, you...