Ding . Randy spins around on the balls of his feet (just try that little maneuver in a pair of sneakers!). Once again he has backed the wrong horse: the winner is an elevator that was on the very top floor of the hotel last time he scanned it. This is an elevator with purpose, a fast-track lift. He walks towards the green light. The doors part. Randy stares squarely into the face of Dr. Hubert (the Dentist) Kepler, D.D.S.