If you scan Youtube for Trump and David Letterman, you’ll see that he had Trump on there several times. Trump was always gracious, then as soon as Trump runs for president, Letterman treats Trump like the enemy.
Very enlightening, esp the interviews in the early 90s where Trump talks about our trade imbalance and North Korea’s nukes.
If you listen to or watch any interview with the Donald from the 80’s / 90’s you’ll see that he’s very consistent—he’s been saying the same stuff for years.
And as for Letterman, it’s to be expected. my mom has a cousin who, in all her sluttiness, would have considered it an honor to give an oral favor to Trump—until he announced he was running for Prez as a R.