Letterman posted a video and a quip this week, seemingly in response to news that CBS would be ending “The Late Show with Stephen Colbert” in May 2026.

Some Democrats are irate over the end of Stephen Colbert’s show, but others see a lack of focus on real issues.

They wrote that the series of events raises “fresh questions about corruption in the Trump administration and President Trump’s willingness to accept payments from entities with significant policy in...