The Chinese government has asked the WTO for permission to apply retaliation worth $7 billion against U.S. exports due to America not following an earlier WTO ruling on anti-dumping case methodologies. The WTO hearing, due September 21, will heighten tensions between the U.S. and China just as the Trump administration considers implementing duties on $200 billion of additional Chinese exports on top of $50 billion already targeted. While WTO processes can take years to resolve (the Chinese AD case was brought in 2013) the more recent tariff spat is having an immediate effect. The init...