Most people don’t understand that, for leftists, Islam offers more than just a common totalitarian enemy in the war against the West. Yesterday, the barrier between Spain and Morocco broke, as up to 60,000 young, military-aged Muslim men swam from Morocco past the border at Ceuta and Melilla into Spain. The incentives were twofold. The first was that Pedro Sánchez, Spain’s hard-socialist president, announced that illegal aliens in Spain who applied for legal status would receive it. The second was that the leftist Supreme Court announced that, while those who entered Spain over a land border could instantly be turned...