SKINNY LEGS AND ALL: An Arab and a Jew open a restaurant together across the street from the United Nations.... It sounds like the beginning of an ethnic joke, but it's the axis around which spins this gutsy, fun-loving, and alarmingly provocative novel, in which a bean can philosophizes, a dessert spoon mystifies, a young waitress takes on the New York art world, and a rowdy redneck welder discovers the lost god of Palestine--while the illusions...