STOCKTON, Minn. – A Rochester driver showed balance issues when he was pulled over at the Stockton Hill summit, a deputy said. John Edward Ziemer, age 60, was taken to the Winona jail for a urine check. Pending the sample being tested at the state crime lab, Ziemer was charged with suspected impairment due to a controlled substance. The stop was about 4:55 p.m. at Pumpkin Road on U.S. Highway 14.