Roby Morrison fidgeted. Walking in the tropical heat he heard the wet thunder of waves on the shore. There was a green silence on Orthopedic Island. It was the year 1997, but Roby did not care. All around him was the garden where he prowled, all ten years of him. This was Meditation Hour. Beyond the garden wall, to the north, were the High I.Q. Cubicles where he and the other boys slept in special beds. With morning they popped up like bottle-corks, dashed into showers, gulped food, and were suc