Congregation Beth El, Bangor’s Reform synagogue, will join with other synagogues from across the country in celebrating “Shabbat Across America.” The evening will begin with a vegetarian potluck meal at 6 p.m. Friday, March 3, then a worship service featuring the Beth El choir at 7:30 p.m. All are welcome to both the dinner and the service. Reservations for dinner are required. Call Congregation Beth El at 945-4578.