American Stomach has returned to New York, but its voice will appear on LA airwaves Monday morning, courtesy of Evan Kleiman's "Good Food" radio show on KCRW, 89.9 FM. Yes, it's another gig on National Public Radio. Van Luu says NPR sells books. Who's Van Luu? She's the wonderful publicist from Harcourt who's been arranging all this Stomach media . . .