In this week’s National Pork Producers Council (NPPC) Friday recap: NPPC leads the charge asking USTR to ‘recommit’ to aggressive trade agenda; NPPC’s Dr. Johnson represents U.S. pork at Codex meeting on contaminates in foods; personnel moves bolster NPPC’s public policy profile; USDA Swine Contract Library highlights usage, improvement opportunities; USDA holds Data Users’ Meeting…