If the sticky, glass-headed little men of Mars were watching Earth with their big, blue, magnifying eyes last week, they must have decided that the nation was either being overrun by man-eating weevils, or that something elsethe marijuana habit, the cumulative horrors of television, or a vast atomic catastrophehad addled the nerve centers of the masses. Armies of people were fleeing the country, and the rest of the populace seemed to be scurrying away from their homes like disturbed ants.
The Americans were simply engaged in history's biggest vacation travel spree. Sixty...