Ed Wong's piece in today's NY Times contains the best explanation for why the Americans have not been able to come up with a China policy. At one point, President Trump said to Xi Jinping "make sure I win" by buying ag products from key states. How can we create a policy when we have self-interested things like that occurring?
https://www.nytimes.com/2020/06/18/us/politics/trump-china-bolton.html?searchResultPosition=3