A 56-year-old Sharon man is facing a 4th Operating While Intoxicated charge after being arrested in Janesville.  Police say they were called to Woodman’s Food Market Friday night about 6:30 for a disturbance.  Officers say Terry L. Anderson was arrested after showing signs of impairment and it was learned he’d driven to the grocery store.  Police also say his driver’s license was already revoked for previous OWI’s, and he has an open OWI case pending in Sauk County.