For Iowa farmer John Heisdorffer, the math is brutal in the U.S.-China tariff war: “You tax soybeans at 25 percent and you have serious damage to U.S. farmers.” China, the No. 1 customer for U.S. farm exports, canceled purchases of nearly $140 million worth of U.S. soybeans just before the two countries imposed tit-for-tat tariffs… » Read More