The bold man and the sea: James Cameron's 'Deepsea Challenge 3D' review

James Cameron reveres the ocean. "This is my church," the 59-year-old filmmaker says midway through Deepsea Challenge 3D, a new documentary about his semi-successful 2012 dive to the deepest place on Earth inside an experimental submarine. The sentiment shouldn't come as much of a surprise. After all, this is the director who brought us Titanic, The Abyss, Piranha Part Two: The Spawning, and two IMAX documentaries about the deep oceans (Cameron has said that his upcoming sequels to Avatar...