DAVID SEDARIS is the writing equivalent of Bruce Springsteen. While other guys are playing smaller rooms, Sedaris consistently plays the equivalent of arenas. This week he's at the 1,800-seat Merriam Theater, where he will read eight new short stories on Saturday. Sedaris called us from Paris, where he lives with his oft-mentioned partner, Hugh, to chat about what makes him such a rock star of the literary world.
Q. What is it about your writing that lends itself to performance?
A. I wish I could tell you. I don't have any idea why people in the audience are there. I think I always had an unfair advantage being on the radio [he's a regular contributor to NPR] because when you're on the radio people hear your voice. They feel like
