HAPPENIN’ OTSEGO for SUNDAY, MAR. 19 Hops In Otsego County PROGRAM – 3 p.m. “Otsego County Hops – Our History, Our Future” with Al Bullard and Ian Porto. Village meeting room, Library, 22 Main St., Cooperstown. Info, www.villagelibraryofcooperstown.org/calendar SENIOR PLAY – 2 p.m. “Miss Nelson is Missing.” Admission, $10 adults, $5 student/senior citizens. Auditorium, Cooperstown Central School, 39 Linden Ave., Cooperstown. Info, www.cooperstowncs.org…