THE world of today isn’t the same as the world of the previous quinquennium. When I started authoring there were no artificial satellites in orbit, no streaming movies on demand, no cell phones, not even any word processors. But if I were asked to, in one word, characterize the biggest change during the last five years, it would be “virtual.” Back at the beginning of this five-year period, in the B.T. (before Trump) years, virtual meant that nether world of non-corporeal existence where...