CONSUMER LETTER CONCERNING AIR BAG FAILURE AND VEHICLE ROLLOVER. *TS ***NAR*** THE CONSUMER'S WIFE WAS INVOLVED IN AND ACCIDENT IN WHICH THE INITIAL IMPACT WAS A FRONTAL IMPACT WHICH STARTED THE ROLLOVER PROCESS. THE VEHICLE ROLLED OFF A MOUNTAIN SIDE. NONE OF THE VEHICLE'S AIR BAGS DEPLOYED. THE CONSUMER'S WIFE AND SON SUSTAIN INJURIES (FORD EXPEDITION). *NM