"Seventy years of post-war diplomacy ruined" is the consensus establishment view of Donald Trump's America First foreign policy.  And it is true.  But Donald Trump is not the first president in postwar America to rattle the iron cage of establishment diplomacy.  That honor goes to Harry Truman, who ruined Franklin Delano Roosevelt's vision of the postwar world when he did what Roosevelt would have never done – drop two nuclear bombs on Japan. Nor is President Trump the first postwar president to tread in Truman's footsteps.  Both Richard Nixon and Ronald Reagan did that before him.  And yet, there is clearly something unprecedented in Donald Trump's foreign policy, something akin to a paradigm shift whose roots track back to Richard Nixon's modus vivendi with communist China, but whose long arc seems to bend toward our final liberation from the Manichean dualism that has deformed...(Read Full Article)