U.S. President Donald Trump and his administration blame the EU and migration for what they say is imminent, total cultural unraveling in Europe. The explosive claim is made in the U.S. National Security Strategy, which notes Europe has economic problems, but says they are "eclipsed by the real and more stark prospect of civilizational erasure" within the next 20 years. "The larger issues facing Europe include activities of the European Union and other transnational bodies that undermine political liberty and sovereignty, migration policies that are transforming the continent and creating strife, censorship of free speech and suppression of political opposition,...