A grandfather hiking a trail...with his 4-year-old grandson was attacked yesterday by a coyote, but saved the youngster by grappling with the animal as it continued to bite him. Arthur Cole, 76, was attacked...by a 40-pound gray coyote, according to police. He was bitten several times but his injuries were not life-threatening. His grandson, Nicholas, escaped unhurt and ran the half-mile to his grandparents' house... When Arthur's wife and Nicholas' dad asked, "Where's Grampy?" the youngster replied, "A wolf got him," ... Peter Cole, who was visiting his parents, jumped into his truck, drove to the development's community center and...