Paul Grayson walked the city street slowly. He was sauntering towards the spaceport, but he was in no hurry. He had allowed himself plenty of time to breathe the fresh spring air, to listen to the myriad of sounds made by his fellow men, and to revel in the grand freedom that being out in the open gave him. Soon enough he would be breathing canned air, pungent with the odor of compressor oil and the tang of the greenery used to replenish the oxygen, unable to walk freely more than a few dozen steps, and unable to see what lies beyond his viewports...