Since the advent of the Trump administration, US Asia policy has reflected more continuity than change. No more. The one exception has been US security policy, which continued to reflect time-honored principles, including the centrality of US alliances and deterrence. Changes have come at a breathtaking pace in the past few months. Credit (or blame) the emergence of “the real” Donald Trump, who has shrugged off the constraints and conventional wisdom that had kept him largely within the mainstream of US foreign policy practices. His decision to meet North Korean leader Kim Jong Un stunned most observers and led to a series of summits in anticipation of his historic meeting with Kim. The “Disruptor- in-Chief” was also hard at work on economic policy, with the imposition of tariffs on steel and aluminum exports by US trading partners. Trade tensions between Washington and Beijing grew throughout the first four months of 2018 and there are fears of a trade war in the absence of astute management.下载链接：http://cifer.pbcsf.tsinghua.edu.cn/uploadfile/2018/0727/20180727044621328.pdf
