Terminal Velocity Call it inevitable that Dan Osman found the fatal edge of his signature sport, a thing known as "free-falling." But were his leaps of faithand thus his sad deathas profound as he imagined? Or just stunt taken to foolish extremes? By Craig Vetter IT WAS TWILIGHT IN YOSEMITE after a day of light rain. Headlights flickered in the dark of the valley floor below as Dan Osman took

