EMBROKE, N.H., Dec. 22 — Howard Dean came under criticism from an Iowa newspaper last weekend for an answer to a questionnaire in which he implied that his brother was serving in the military when he disappeared in Laos 29 years ago. His brother had been traveling in Southeast Asia as a tourist. Asked by The Quad-City Times, which is based in Davenport, Iowa, to complete the sentence "My closest living relative in the armed services is," Dr. Dean wrote in August, "My brother is a POW/MIA in Laos, but is almost certainly dead." The brother, 23-year-old Charles Dean, whose...