The impact of international trade policy on global supply chains is complicated by the increasing overlap and interconnectedness of free trade areas and negotiations to create new deals. Nine recent developments illustrate the challenges that lie ahead. In Europe (1) the likelihood of a clean Brexit withdrawal agreement is declining and (2) Britain’s participation in WTO-based rules going forward should not be assumed. (3) Future trade deals for the U.K. with Japan (via the CPTPP) and South Korea are possible, though (4) the potential entry of China and South Korea into the CPTPP – an...