by Opinion Contributor Sara A. Colb is the deputy director of ADL New England. Last month, the Belfast City Council stepped well out of its local government lane to weigh in on matters of foreign policy, which it is ill equipped to do. The council voted, as reported by the Bangor Daily News, “to divest from companies that activists say have contributed to the disproportionate killing of tens of thousands of Gaza’s residents” and “prohibit future investments in such…