A March 27 article by Marc Busch on The Hill calls on the U.S. government to launch a trade dispute at the World Trade Organization (WTO) and United States-Mexico-Canada Agreement (USMCA) over Mexico’s proposed decree to ban the herbicide glyphosate and the planting and importation of genetically-modified (GM) corn. The argument mischaracterizes the science on glyphosate, the decree and the role of U.S. trade policy.