NEW YORK (AP) - "Looks familiar, doesn't It?" Jean Shepherd inquires as he guides his skiff toward the thick, dark slime of the Okefenokee Swamp. "That's where we all came from, the primordial ooze." Shepherd has a knack for summarizing a circumstance, like the origin of life, in a fresh, pithy and eminently funny way, and he doesn't seem fazed by the news from California that life may have emerged from clay, and not mire. . .