Tim Mester is sworn in as a member of the Gladwin County Board of Commissioners by County Clerk Constance Thurlow-White Tuesday. Mester had been serving as Supervisor of Billings Township. He was selected by the Board at its June 9 meeting to replace Tami O’Donnell as the representative for District 3 after O’Donnell passed away in May. Mester’s resignation as Township Supervisor was formally acce…