(CNN)How do you pay tribute to a legend who has hugely influenced late-night comedy for 30 years? CNN's Jake Tapper sat down with Conan O'Brien, Jimmy Kimmel, Seth Meyers and others for a one-hour CNN special report, "David Letterman Says Good Night," airing at 9 p.m. ET/ 10 p.m. PT Tuesday.
Jake Tapper's Twitter chat about David Letterman
Ahead of the special, Tapper took questions on Twitter about David Letterman's life and legacy using the hashtag #AskJake. Here are the highlights: