Instagram/David Letterman & Stephen TV Legendary host David Letterman blasts CBS and CEO David Ellison for canceling Stephen Colbert's Late Show, questioning the true motives behind the decision. May 6, 2026 AceShowbiz - In a sharply critical interview with The New York Times, David Letterman did not hold back his frustration towards CBS and Paramount Skydance CEO David Ellison over the network's decision to cancel The Late Show hosted by Stephen Colbert.