The trade war continues to escalate. China imposed 25-percent retaliatory tariffs on U.S. ag products, including corn, wheat, soybeans and pork. Last week, the Trump administration raised the stakes, saying it will slap 10 percent tariffs on another $200 billion of Chinese imports by Aug. 31. This has many farmers asking how long the trade tiff will last. Spencer Chase of Agri-Pulse Communications reports from China.