“Twitter could get us into a war.” That sentence, which appears in Bob Woodward’s new book, Fear, about the Trump Administration, has shocked a lot of people. Not me. Because I just wrote a novel in which precisely that same thing happens. And let me tell you: It’s not far-fetched. Of course, we knew that Trump’s chief of staff, John Kelly, and his predecessor, Reince Priebus, both have tried to get the President’s tweeting under control.

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