Grandpa who drove drunk with grandkid in car sentenced to prison. By Allison Scarbrough, Editor. HART — A 55-year-old Warren, Michigan man was sentenced to 15 months to 20 years in prison in Oceana County’s 27th Circuit Court Monday, June 14, for third-offense operating while intoxicated (OWI). Steven Wayne Wunsche, of 13620 Grey Ave., testified before Judge Robert D.…