Racing legend Al Unser Jr. is facing more severe drunken driving charges after a New Mexico judge granted a prosecution request for the upgrade based on a previous conviction. KOB-TV reports that (http://bit.ly/xPw8B5) Unser, a two-time Indy 500 winner, was arrested in September after police say he was driving his SUV at speeds faster than 100 mph while racing another vehicle.
