Dear President Trump: 

 America’s food producers face near-unprecedented economic uncertainty and hardship. While the downturn in the agricultural economy has been several years in the making, it has worsened for some sectors due to the escalation of tariffs in key markets, especially China.

U.S. farmers and ranchers now face a third wave of tariff increases by China in retaliation against the latest increase in U.S. tariffs that went into effect May 10. The mere threat sent prices further downward...