At a U.S. Trade Representative hearing, the National Pork Producers Council (NPPC) called for Thailand’s preferential access to the U.S. market to be revoked or reduced if it does not end its unwarranted ban on U.S. pork. Thailand is a top beneficiary of the U.S. Generalized System of Preferences (GSP) program, which gives duty-free treatment to certain goods entering the …