publication date: Wednesday, February 4, 2015 (part of Winter 2015)
clue: He spent thousands of late nights working for NBC, but these days he's on a first-name basis with TBS.
explanation: O'Brien hosted Late Night on NBC and Conan on TBS. more…
intended difficulty: easy
solved by: Russ Wilhelm, Steve West, LaVonne Lemler, Samir Mehta, Chris Lemler, Richard Slominsky, Justin Woods, Matthew Preston, Joanna Woods, Erik Bates, and Mike Rothstein