The hilarious Craig Ferguson on the shift of Leno back to 11:30 PM on NBC and Conan to midnight. CBS and Letterman are also clearly enjoying the mess that is NBC’s current late night lineup.

NBC chief Jeff Zucker had in his hands a dynamite lineup before the flip at the beginning of the summer…#1 with Leno following the 11 o’clock news and an immensely popular Conan following in the 12:30 AM time slot…and did the unthinkable…he screwed things up.