A sign alluding to a historical massacre of Jews was carried openly at the annual al-Quds Day hatefest in downtown Toronto on Saturday afternoon, the B’nai Brith of Canada reported Sunday. The sign depicts the Dome of the Rock in Jerusalem and warns that, “The last Khayber is ready,” an allusion to an ancient battle in which a Muslim army defeated and slaughtered Jews in the Arabian Peninsula. It also predicts the coming of “the last Hayder,” a nickname for Ali, the leading figure in Shi’a [Shi’ite] Islam. Shi’a [Shi’ite] clerics are among the speakers and organizers of the Toronto...