The Chinese government’s decision to not engage in talks with the U.S. after the bilateral imposition of duties on $360 billion of trade makes it more likely President Trump will go ahead with his threat to apply duties on all Chinese exports. There were 8,656 tariff lines with imports worth $270 billion in the 12 months to July 31 that were not hit by the first three lists (July 6, August 23 and September 24). There are several implementation challenges for the President. First is that several tariff lines have already been granted exemptions in previous assessments. That would rule out...