A WTO dispute lodged by the U.S. against Chinese tariff rate quotas on wheat, rice and corn has taken a step forward after Director General Roberto Azevêdo appointed a panel to hear the complaint. While initiated by the Obama administration the case fits with the Trump administration’s aims to rebalance trade with China. It also widens a potential food trade battle by providing some symmetry with China’s sorghum and (potential) soybean cases against the U.S. American exports of the three grains globally were worth $17.5 billion globally in 2017, down 0.3% on a year earlier due to weak co...