New York - Illusionist Blaine Hangs Upside Down Over New York. VIDEO

New York City - David Blaine began his latest endurance challenge Monday morning -- 60 hours spent hanging upside-down, without a net. He was put into position above Wollman Rink in Central Park. Hanging upside-down for that length of time puts Blaine at risk of swelling and cramps in his internal organs, and of going blind. A doctor will be on hand throughout the stunt, but has agreed...