SAN DIEGO (AP) — It sounds like a pitch for a far-fetched movie: "Cast Away," but with a dog instead of Tom Hanks. Only this sea tale is true.A California fisherman's beloved German shepherd fell overboard and was presumed drowned. More than a month later, she was found.The 1 ½-year-old dog named Luna was spotted this week on San Clemente Island, a Navy-owned training base 70 miles off San Diego.The blue-eyed pup disappeared Feb.