CRANKSHAW TO THE RESCUE Senior Prank Gets Out Of Hand – Then New Super Takes Charge By JIM KEVLIN • Special to www.AllOTSEGO.com COOPERSTOWN – Bill Crankshaw, Cooperstown Central School superintendent, was at home last Wednesday night when his phone rang. The traditional senior prank – graduating-class members had been allowed to slip into the Linden Avenue school with the idea of zip-locking lockers to cause consternation among their juniors – had gotten out of hand, he learned. Moving beyond…