THE WHITE HOUSE
Preparations for the first family wedding in the White House in 53 years engulfed the presidential menage. Pastry chefs put the finishing touches on a five-tiered, 5-ft.-tall pound cake topped by a spun-sugar basket. White House florists kept a close eye on the white roses that will fill the basket. Calligraphers, their labors done, studied their handiwork on 500 invitations and "carriage cards" (for parking assignments). While aides carefully clocked the whole ceremony in advance, Lynda Bird John son underwent final fittings of the white faille wedding gown created...