MOUNTAIN HOME, IDAHO -- The setting sun is streaming in the living room window of Marion Lewis's house as he puts aside his cigarette and starts telling the story of the day his daughter was murdered. break He remembers the day, Oct. 3, 2002, when Lori Lewis Rivera was shot to death by the D.C. snipers at a gas station in Kensington. Two thousand miles away, her father was oblivious, out in the wilderness running a giant rock-crushing machine. Lewis stares at the floor as he recalls it, kneading his beefy hands and wiping away tears with his fingers. break...