China is threatening to impose stiff retaliatory tariffs on U.S. pork and soybeans, and that has U.S. producers worried. China’s wasted no time in coming up with a list of U.S. targets for retaliation for billions in U.S. tariffs on Chinese metals and IP-related goods. Politically-sensitive U.S. pork and soybeans, as feared, are on China’s retaliation list.