CBS Stephen Colbert is gearing up for the final days of The Late Show. The CBS long-running late night show will air its final episode on May 21, and in a new interview with The Hollywood Reporter, Stephen, 61, admitted that he still hopes to interview Pope Leo XIV before the show official ends. "The pope is my white whale," said Stephen, who is an outspoken Catholic. "I wrote him. I said, 'Come on!' No, I said, 'Your Holiness, I hope this letter finds you well or, at the very least, infallible. Would you please come on my show? We don't have to talk about politics.