David Sedaris

National Public Radio was replaying "holiday favorites" on Friday's Morning Edition -- to be specific, allowing humorist David Sedaris offer a very nasty take on Christmas as he played "Crumpet the Elf" at Macy's. In a seven-minute reading from his "Santaland Diaries," there's some rather shocking attempts at humor that aren't exactly warm and fuzzy. Sedaris's elf shouted at a woman for…