David Letterman's "Things we can be proud of as Americans": * Greatest number of citizens who have actually boarded a UFO * Many newspapers feature "JUMBLE" * Hourly motel rates * Vast majority of Elvis movies made here * Didn't just give up right away during World War II like some countries we could mention * Goatees & Van Dykes thought to be worn only by weenies * Our well-behaved golf professionals * Fabulous babes coast to coast