As a means of preparing for the first presidential debate of 2020 this Tuesday night, I entered a You Tube time machine this past week and traveled back to late September, 1960, almost exactly 60 years ago. That’s when Vice President Richard Milhous Nixon of California squared off against Senator John Fitzgerald Kennedy of Massachusetts in the first of a series of four debates that stretched into mid-October, each of them lasting just under an hour. Yes, I took one for the Traversing team by watching all four over a few days, feeling mostly, I am glad to report, riveted.…