HAPPENIN’ OTSEGO for SUNDAY, DECEMBER 15 Kids Make Holiday Ornaments HOLIDAY WORKSHOP – 1 – 3 p.m. Children are invited to decorate their own Christmas bulb, sing along to Christmas carols on player piano. Oneonta History Center, 183 Main St., Oneonta. 607-432-0960 or visit www.oneontahistory.org/index.htm…