'Gravity' Box Office Stuns, Bringing In $55 Million And Beating Out 'Runner Runner'

LOS ANGELES -- LOS ANGELES (AP) -- The Sandra Bullock-George Clooney space drama "Gravity" flew to the top of the box office in its debut weekend. The Warner Bros. adventure opened with $55.55 million in North American ticket sales, according to studio estimates Sunday. Alfonso Cuaron directs the film, which is set almost entirely in space and follows two astronauts faced with deadly complications during a spacewalk. Last week's top movie, Sony's "Cloudy With a Chance of Meatballs 2," dropped to...