The railroad stations in every major U.S. city last week were jampacked with Americans on the go. People stood three deep at the hurry-up depot lunch counters, waited vainly for taxicabs, lugged their own heavy baggage because there weren't enough redcaps. Men in open-necked sport shirts, women in print dresses stood literally for hours in ticket lines. Squads of boys & girls, bound for summer camps, assembled beneath signs marked "Camp Hiawatha" or "Treasure Trove."
In the hot, pressing crowds, vacationers carried babies, hatboxes, bundles, dogs, cats, bird cages, tennis rackets, golf bags and box lunches. They squeezed through train...