HAPPENIN’ OTSEGO for FRIDAY, MARCH 17 CCS Thespians Present ‘Sister Act’ THEATER—7 p.m. The CCS Thespians present “Sister Act.” Tickets, $12/adult. Auditorium, Cooperstown High School. (607) 547-8181 or visit cooperstowncs.org BLOOD DRIVE—10 a.m. to 2 p.m. Save up to three lives with the American Red Cross. Worcester Central School, 198 Main Street, Worcester. Register at redcrossblood.org…