A key lesson was learned by U.S. President Donald Trump following his landmark meeting on 30 October with Chinese counterpart Xi Jinping: that the hardline approach he has adopted in his second term in the top job, characterised by quickly-implemented tariffs and sanctions, has worked well and he should stick with it. In broad terms, Trump rated the one hour and 40 minute get together on the sidelines of the APEC summit in South Korea’s Busan as a ‘12’ on a scale of one to 10, with “an outstanding group of decisions made”.…