HAPPENIN’ OTSEGO for SUNDAY, DECEMBER 10 Explore Holiday Light Show GLIMMER NIGHTS—5-8 p.m. “Holiday Light Show Extravaganza.” Walk through a wonderland of holiday light displays in the country village and other areas. Tickets, $15/adult. The Farmers’ Museum, 5775 State Highway 80, Cooperstown. (607) 547-1450 or visit https://www.farmersmuseum.org/glimmernights/ RESCHEDULED TO DECEMBER 17 – OPEN HOUSE—3-4 p.m. “Holiday Caroling and Tree Lighting.” All welcome for an open house followed at 4 p.m. by caroling and the lighting of the Fly Creek Fire Company tree…