Study: Over 13% of motorists drove drunk last year; Wisconsin, North Dakota worst

The holiday season is in full swing, and that means holiday parties are in no short supply, filled with people wearing horrible sweaters. It also means booze is readily available, and the opportunity to drive after having too much to drink is at fever pitch. According to a study by the Substance Abuse and Mental Health Services Administration (SAMHSA), 30 million folks will drive drunk in an