The market impact of the latest round of U.S. tariffs on imports from China and the latter’s retaliation seems to have abated. It is now widely assumed that the two countries will impose tariffs on all the imports from each other. The chances that this bilateral trade war will last well into 2019 (and perhaps beyond) seem to be growing. Trade hawks in the Trump administration argue that this process will force China to change its trade practices and abandon its expansionist trade ambitions, but there is little evidence that they are or will be correct. Meanwhile, the virtual exclusion of U.S. soybean exports to China because of the 25 percent tariff was bound to create some opportunities for arbitrage, and we are seeing one such oppo...