Lazy Trade Officials A hearing today before the U.S. Senate Committee on Finance on the USMCA was revealing not for what has changed since NAFTA was replaced, but what has not changed. Republicans and Democrats took their usual partisan jabs at one another over which White House has failed, Trump or Biden, but the truth is that both have been a disappointment when it comes to enforcement. Although the hearing covered issues broadly, it was agriculture issues like dairy access in Canada and the lack of GMO approvals in Mexico that dominated.  The USMCA includes specifically enhanced language on agricultural biotechnology but even under NAFTA Mexico had gone over two years without a biotech approval and without a formal complaint from...