NEW YORK, May 21 — “The Late Show” frontman Stephen Colbert will host the final edition of the 33-year-old US cultural institution tonight after it was cancelled by CBS as...

From celebrity guests to the last episode, here’s what’s ahead as CBS’ long-running “The Late Show” comes to an end.

As Stephen Colbert signs off May 21, his exit closes a 33-year CBS franchise—and marks the end of one late-night era built on ritual, the desk and the band