On Saturday night, November 28, 1942, Boston suffered its worst disaster ever. At the city's premier nightspot, the Cocoanut Grove, the largest nightclub fire in U.S. history took the lives of 492 people--nearly one of every two people on the premises. A flash of fire that started in an imitation palm tree rolled through the overcrowded club with breathtaking speed and in a mere eight minutes anyone left in the club was dead or doomed. The Grove was...