DAVID BLISS, R-DISTRICT 7 Middlefield Supervisor Brings Lifetime Of Service To County Editor’s Note: This is the fourth of seven profiles, one each on the seven new members of the Otsego County Board of Representatives elected Nov. 3, that will be posted each Wednesday afternoon up until they take office Jan. 1. Next week, Andrew Marietta, District 8 (Town of Otsego, including Cooperstown west of the Susquehanna). By JIM KEVLIN • for www.AllOTSEGO.com COOPERSTOWN – Dave Morris, one of David Bliss’…