LA Times: It was day 42 of the zaca fire. A tower of white smoke reached miles into the blue sky above the undulating ridges of Santa Barbara’s backcountry. Helicopters ferried firefighters across the saw-toothed terrain and bombed fiery ridges with water. Long plumes of red retardant trailed from the belly of a DC-10 air tanker. Bulldozers cut defensive lines through pygmy forests of chaparral. A few miles south, in a camp city of tents and air-conditioned office trailers, commanders …