When an expanded list of 10 movies competes next year for the best picture Oscar, director Pete Docter hopes his "Up" will become the first animated film since 1991's "Beauty and the Beast" to vie for Hollywood's most coveted honor.Award show trackers say Docter has reason to be hopeful because "Up," about an old man and a boy who float off to South America in a house tied to helium balloons, has earned...