Empty store shelves. Mud roads. Dirty, coal-filled air. When I covered Central and Eastern Europe as a journalist during the 1980s, these were the conditions of Poles, Czechs and others living behind the Iron Curtain. Today, the store shelves are full, the roads are paved and the air is, for the most part, clean. Credit to the much-maligned European Union, the same EU that the new US National Security Strategy blames for leading the continent to “civilizational erasure” and that US President Donald Trump believes was designed “to screw the US.” The American leader is wielding lie after lie to...