(AGI) Rome, Sept 15 - Amid heightened security, teachers andstudents gathered outside a Palermo school on Monday, inprotest at visiting Prime Minister Matteo Renzi. With thegovernment heralding sweeping reforms in public education, thePM's visit was timed to coincide with the reopening of schoolsand the 21st anniversary of the murder of Fr. Pino Puglisi. . .