Mexico’s National Confederation of Livestock Organizations has joined the eight original plaintiffs from the United States and Canada in a July 8 case filed in the U.S. District Court in Washington, D.C., to denounce the latest U.S. Department of Agriculture (USDA) ruling regarding Mandatory Country of Origin Labeling (COOL). As opponents have lined up, four organizations have united to defend COOL. The latest ruling would have brought the United States into compliance with the World Trade Organization. . . .