Jackie Kennedy moved out of the White House on a sunny but crisply cool afternoon late last week. Until her departure, last-minute deliveries kept arriving at the red brick Georgetown house lent to her by Under Secretary of State Averell Harriman.
There was a two-wheeled bicycle, a box marked "John's Toys—N Street," pink and blue covered parakeet cages, hatboxes, a generous supply of French wines, and a bulging briefcase bearing the initials J.F.K. A maid arrived, carrying an armload of White House guidebooks. A Washington florist delivered yellow chrysanthemums. Then, just after...