You have to admit that dad jokes — as dumb as they are — are still pretty darn funny. Which is why it's hard not to tell them. Even better than corny one-liners, however, are dark humor jokes.

WASHINGTON (AP) — On a night when half a dozen people made jokes about this being the last-ever Mark Twain Prize, Conan O’Brien made sure the ceremony at the John F. Kennedy Center for the Performing ...