Political Correctness: The perils of multiculturalism and open borders have reached critical mass in Sweden. There are Muslim enclaves where postal, fire and other essential services — even police officers themselves —require police protection. A police report released last month identifies 55 of these "no-go zones" in Sweden. These zones are similar to others that have popped up in Europe in recent years. They formed as large Muslim populations emigrating to politically correct and tolerant European states refuse to assimilate and set up virtual states within a state where the authorities fear to tread. Soeren Kern of the Hudson Institute...