If you opened up the dictionary to "laughing to keep from crying," you'd probably find this video.

What will we miss most about Mitt Romney's now dead campaign? He was perfect fodder for Letterman's not-striking writers. Since Iowa, Letterman's been offering a good half-dozen Romney one-liners in every monologue. Attached, a video compilation of a few magical nights of Mitt Romney jokes. Never forget. (Our favorite, sadly, is not included: "Mitt Romney looks like the American president in a Canadian movie.")