Hanukkah, Judaism’s eight-day Festival of Lights, begins this year on Christmas Day, which has only happened four times since 1900. “This can be a profound opportunity for learning and collaboration and togetherness,” said Rabbi Josh Stanton, a vice president of the Jewish Federations of North America. The doughnut-like pastries were sufganiyot — a Hanukkah specialty — and buñuelos, And the …