ABU DHABI  – U.S. Trade Representative Katherine Tai on Wednesday ruled out an agreement on World Trade Organization dispute settlement appeals reform this week but said WTO negotiations on the issue were positive and showing some progress. Tai, speaking to reporters on the sidelines of the WTO‘s 13th ministerial conference in Abu Dhabi (MC13), said the dispute settlement negotiations would continue on “much harder issues” after the conference ends later this week. The WTO‘s dispute settlement