BRLINGTON, Vt., Jan. 12 — Eddie Kasperowicz, 74 and retired from the Seabrook, N.H., auto plant that Howard Dean was touring the other day, had a question unrelated to his union's hot-button issues of trade and health care. "When," he wondered, "will America have a chance to meet your bride?" No time soon, Dr. Dean told him, "unless you get sick in Shelburne, Vt., in which case she'll probably see you." In 23 years of marriage, 18 of which Dr. Dean has spent running for, or serving in, office, his wife, Judith Steinberg Dean, has developed an unusual role for...