The U.S.-China trade war can be seen through the lens of President Trump’s keen sense of media-friendly populism as a series of TV seasons using the latest U.S. trade data for July. The pilot episode in early 2017 featured a 100 day negotiation that ended with a deal for China to buy more agricultural and energy products. While Chinese imports of those products rose 20.7% in calendar 2017 versus 2016 there’s been a subsequent collapse to half their 2016 levels in the 12 months to Jul. 31. The first full season of the trade war featured the section 301 investigation from Au...