John McCain rarely speaks about his experiences as a POW in Vietnam, but one of his cell mates at the Hanoi Hilton on Thursday described some of the conditions and character traits that earned McCain the commendations he received for his war service. Col. George “Bud” Day, 83, is the most decorated service man since Gen. Douglas MacArthur, with more than 70 medals. A living legend, Day was blown out of the sky two months to the day before the North Vietnamese shot down a propaganda prize, whose father and grandfather were renowned American admirals. “They told me we were...