Simon Grover always felt like a goldfish in a coptercab. The plexiglass bubble afforded full 360 degree vision, but people could also see you from the crowded traffic lanes above a big city. "Hurry," said Simon Grover, a small, energetic man with close-set hazel eyes and a stubborn chin. "I'm hurrying," the pilot told him with frustrating indifference. In another few moments he would be safe. He squirmed around and saw another copter rise above the express lane and close the gap between them. It