Air tanker fighting wildfire crashes near Estes Park, killing pilot in what was meant to be a historic flight
                                
                                
                                    (Newser) -
                                    A single-engine, one-seat air tanker that was thought to be the first fixed-wing plane to fight a fire at night using night vision crashed near Estes Park, Colo., on Tuesday night, killing the pilot, reports  9News . According to a  release  from the Larimer County Sheriff's Office, the accident was...