James Cameron talks to Russell Baillie about being king of the undersea world.
There are, of course, lots of things to ask James Cameron. Like, how are those next Avatar movies going (scroll down to read more)? Do you really, really, really like New Zealand? What are you wearing to go trick-or-treating with your kids?
Some of those we'll get to later in our phone conversation to his Californian office.
But the first question that occurs after seeing James Cameron's Deep Sea Challenge 3D - a documentary about how the director built his own luminous green one-man submarine then piloted it solo to the deepest part of the world's ocean, 11,000m below - is, well, ... are you mad?