HAPPENIN’ OTSEGO for TUESDAY, DEC. 20 Public Welcome To Attend Revitalization Committee CITY MEETING – 1-3 p.m. Oneonta Downtown Revitalization Initiative Planning Committee meeting. All welcome. Opportunity for public comment. 2nd floor, Foothills Performing Arts Center, 24 Market St., Oneonta. Info, City Clerk’s office (607)432-6450 COOPERSTOWN SANTA – 1-4 p.m. Christmas Cottage, Pioneer Park, Cooperstown. Info, cooperstownchamber.org/santas-house-in-cooperstown/ KNITTING GROUP – 1:30-3:30 p.m. Cooperstown Village Library, 22 Main St., Cooperstown, www.villagelibraryofcooperstown.org/calendar CFEE MEETING – 5-6 p.m. Cooperstown High School Library Media…