The United States has long seen itself as a beacon of democracy and a global advocate of human rights and the rule of law. It has faltered, sometimes badly, undermining leaders whose views did not fit its strategic objectives and replacing them with pliant despots. Yet for the most part American presidents, Republican and Democratic, have believed that the United States should provide a moral compass to the world, encouraging people to pursue their right to self-government and human dignity and rebuking foreign leaders who fall short.
Like so much else under President Trump, though, this idea has now been