[It's a midday open thread with a discussion of fruitcake. Let us know in comments if you're pro or con fruitcake, and what is your favorite holiday baked good. -- eds.] Jeffrey Miller, Colorado State University Nothing says Christmas quite like a fruitcake – or, at the very least, a fruitcake joke. A quip attributed to former “Tonight Show” host Johnny Carson has it that “There is only one fruitcake in the entire world, and people keep sending it to each other.” It’s certainly earned its reputation for longevity. Two friends from Iowa have been exchanging the same fruitcake since the late 1950s.