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It's a WTF moment. … It's not that Xi Jinping is coming here to learn how to become a democratic, capitalist nation. Xi Jinping is trying to understand how his opposition will ultimately embrace their worldview. … If we want to build a relationship, a productive relationship with Xi Jinping and China, we also have to hold him accountable for things that are just simply unacceptable. … I just don't know what has changed. Whatever has changed had to have been at a confidential level, because I haven't seen any public basis for the sea change that we see right now in our posture towards China.