Trade issues with China continue. In an antidumping action, its government declared a study has shown that U.S. grain sorghum has been sold to Chinese users at unfairly low prices, thus damaging China’s corn producers and others. The study found those import prices declined 13 percent between 2013 and 2017. Pending a final determination, importers of U.S. grain sorghum must now post a bond equal to 178.6 percent of its value as cover for potential antidumping duties. This is effectively an import duty of 78.6 percent, and it will bring those shipments to an immediate halt. In the big picture of U.S.-Chinese trade, grain sorghum is not a significant factor. However, Chinese purchases have been very important support for the prices U.S...