Pitcairn Island -- remote and wild in the South Pacific, a place of towering cliffs and lashing surf -- is home to descendants of Fletcher Christian and the Mutiny on the Bounty crew, who fled there with a group of Tahitian maidens after deposing their captain, William Bligh, and seizing his ship in 1789. Shrouded in myth, the island was idealized by outsiders, who considered it a tropical Shangri-La. But as the world was to discover...