DALLAS (Reuters) - Grammy Award-winning country singer Randy Travis on Thursday pleaded guilty to driving while intoxicated and was sentenced to two years probation for an incident in which Texas State Troopers found him lying naked near his crashed car. Travis, 53, was ordered to serve at least 30 days at an in-patient alcohol treatment facility and was not charged for threatening the troopers who arrested him August 7 in Tioga, Texas, about 60 miles north of Dallas. Travis' blood alcohol level was more than double the legal limit in Texas when he was arrested, authorities said. ...