A PG&E plant in the process of being torn down collapsed and killed a worker and injured two others today. Earlier this afternoon in an abandoned Pacific Gas and Electric Co. power plant in Bayview-Hunter's Point, workers who had been hired by the utility leviathan to remove the large boiler "had tied cables to the boiler, but it collapsed prematurely, raining debris down upon the workers." The five-story-tall walls of the power plant caved in,......