For diplomatic reasons, it’s become customary for American presidents to shower communist dictators with opulent praise. Even within that off-putting tradition, President Donald Trump’s recent obsequiousness towards Xi Jinping is unprecedented.

We should never forget that of all the planned utopian economies of history, none was more deadly or dehumanizing. No government has murdered, tortured, imprisoned and terrorized more of its own people than communist China. And no contemporary government in the world has done more to undermine the United States.