With the telegram, one cloud lifts, and another descends. Astronaut Frank Douglas, rescued, alive, well, and of normal size, some 8000 miles away in a lifeboat. With no memory of where he has been, or how he was separated from his capsule. Then who, or what, has landed here? Is it here yet, or has the cosmic switch been pulled? Case in point. The line between science fiction and science fact is microscopically thin. You have witnessed the line being shaved even thinner. But is the menace with ...