Miscellaneous Initial excitement over China’s pledges to buy American farm products has faded, as no purchases have immediately materialized. USDA Deputy Secretary Stephen Vaden said he is confident that China will meet its purchase commitments from the U.S., but market conditions and trade dynamics have changed expectations. China’s exports surged 19.4 percent in May versus a year earlier, but some worry that future sales will be hurt by higher input costs from the Middle East. Plus, the large pool of low-cost labor supporting export growth is quietly receding in size, though it is hoped that robotics will solve that problem. The U.S. announced new tariffs with the same goal but a different rationale, imposing up to 12.5 percen...