Spotlights chased the sparkling blur of spandex and ponytails tumbling toward the flaming pit below. A split second more and surely the inferno would devour her. A muscular man swung past dangling from a trapeze, and snatched her by the wrists. Applause erupted from the hushed crowd with the ferocity of a raging volcano. The ovation passed through striped tent walls, rumbled over scarecrows guarding neighboring corn field...