James Cameron Successfully Reaches 'Deepest Spot On Earth'

Director and science nerd James Cameron is making an attempt to travel to the Mariana Trench, the deepest part of the ocean. The last time someone tried this was in 1960, when Swiss oceanographer Jacques Piccard and Navy Lt. Don Walsh spent a weak 20 minutes at the bottom. Cameron plans on filming and exploring for… » 3/26/12 1:00am 3/26/12 1:00am