Here’s my conversation with Jason Zinoman about his book, “Letterman: The Last Giant Of Late Night.” Among the topics we discussed:

  • Whether it was harder to convince David Letterman to sit down for interviews or his former showrunner/girlfriend Merrill Markoe to share her diary;
  • Letterman’s three distinct creative eras at NBC, and why the CBS years were so different;
  • Letterman’s withdrawal from his staff over the years, and then from the show;
  • How Letterman began the era of no surprises on late night talk shows;
  • The one word that described David Letterman’s mindset through most of his TV run;
  • The contributions of director Hal Gurnee.

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