Tomorrow's technocracy will produce more and more things for better living. It will produce other things, also; among them, criminals too despicable to live on this earth. Too abominable to breathe our free air. The clipped British voice said, in David Houston's ear, I'm quite sure he's one. He's cashing a check for a thousand pounds. Keep him under surveillance. Houston didn't look up immediately. He simply stood there in the lobby of the big London bank, filling out a deposit slip at one of th