What did President Trump really achieve on his tour in Asia?

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We assess US president Donald Trump's tour of Asia, with economic commentator Irwin Stelzer of the Hudson Institute in Washington. The BBC's Mike Johnson finds out which deals were made, and what we can read in to the apparent change in tone from President Trump towards his Chinese counterpart. (Image: US President Donald Trump at the Association of Southeast Asian Nations (ASEAN) Summit in Manila on November 13, 2017 Credit: Jim Watson/Getty Images)