EL DORADO HILLS, Calif. (AP) - A huge cloud of construction dust blowing across the field where his son played Little League signaled to Lance McMahan it was time to get out of this fast-growing suburb above Sacramento. Watching from a lawn chair as bulldozers reshaped a nearby hillside into another setting for high-priced homes, McMahan knew that the ground getting torn up and carried by the wind over the baseball diamond contained natural veins of asbestos. "That was like the last straw." said McMahan, recalling the day six years ago when he decided his family's health was more important...