Illustrated by Paul Orban Paul Asher , 27, men's furnishings buyer, leaned back and let the cloth band be fastened across his chest, just under his armpits. He adjusted his heavy spectacles, closed his eyes for a moment, breathed deeply, and was off. The semi-darkness was dispelled as he shot out of a tunnel into dazzling sunlight. The high-powered vehicle he was driving purred smoothly as it took the long, rising curve. The road climbed steadily toward the mountaintop city ahead. He looked arou