Democratic leaders in the West without sound judgment—vain, short-sighted, and negligent of history—have opened the borders to a civilian invasion by Muslims. An ideological fault line in Western Europe is the self-inflicted decline of national identities and cultural cohesion due to decadence and large-scale immigration from Muslim-majority countries. In view of historical precedents and current developments in France, Britain, and Germany, it is fair to blame democratic leaders for a failure of epic proportions. Lacking historical awareness and commitment to Western traditions, they have enabled a demographic and cultural shift that threatens the foundations of Western civilization. Central to the...