Let's go back in time. Summer 2016. Trump opines on that Leader of the Free Press, the National Enquirer:   "There was a picture on the front page of the National Enquirer, which does have credibility," Trump said to a room of volunteers and staffers in Cleveland, adding that the tabloid "should be very respected." In May, Trump had said to Fox News, "You know, his father was with Lee Harvey Oswald prior to Oswald's being -- you know, shot....Right prior to his [Kennedy's] being s