NBC is not revealing O’Brien’s end date on “The Tonight Show” and has maintained that an empty guest schedule for the week of Jan. 25 was part of a planned hiatus. Another source said there’s more to ...

So, of course, I was overjoyed when it was announced that Conan would be returning to host the show again. The decision came hot on the heels of his first stint. So, while exciting, it did mean that ...