The crazed killer Jigsaw has been done in by a bunch of singing and dancing teens. Disneys High School Musical 3: Senior Year hoofed its way to the top of the weekend box office class with $42 million, while Lionsgates horror sequel Saw V had to settle for second place with $30.5 million, according to studio estimates Sunday. A big-screen sequel to the Disney Channel TV movies, High School Musical 3 had a record opening for a song-and-dance flick, easily beating the previous best of $27.8 million... read more