As the second of three panels about U.S. immigration policy came to a close Feb. 28, the audience laughed at the moderator’s question. “Maybe we can end this on a positive note?”   In a political environment with increased tensions over immigration, “positive notes” are welcome. The Boston University Law Review’s spring 2025 Symposium invited law professors and activists from around the country to discuss resistance against active immigration restrictions that are causing tens of thousands of arrests and deportations.