Assemblywoman Addie A.E. Jenne stopped at Sergi's Pizzaria and Banquet Hall Friday afternoon to congratulate Sam Spagnolo on the Market Street restaurants 50 years in Potsdam. Assemblywoman Jenne also visited with Teresa LaSala and John Wicke before entering the restaurant. The assemblywoman stopped in downtown Potsdam Friday afternoon to check out the Potsdam Summer Festival, which is celebrating its 50th anniversary this week.