A group of 39 House Democrats is pressing U.S. Trade Representative Jamieson Greer to hold Mexico to its U.S.-Mexico-Canada Agreement commitments to end illegal fishing practices they say harm endangered vaquita porpoises in the country’s waters. In an Aug. 20 letter to Greer, published on Monday, House Ways & Means Committee member Lloyd Doggett (D-TX) and more than three dozen House Democrats asked Greer what his office has done since USMCA’s …