David Letterman returns to the CBS ‘Late Show’ — for a night

That’s former CBS PARA “Late Show” host David Letterman on his thoughts about returning to the program — at least for one night.

Stephen Colbert, the host since Letterman stepped down in 2015, had his predecessor as a guest on Monday night’s show. It was the first time Letterman had been back to the late-night talkfest, which is recorded at New York City’s Ed Sullivan Theater.

And…