As the United States, Canada, and Mexico prepare to renegotiate the USMCA trade deal, one industry sits squarely at the center of the debate: automobiles. Companies like Linamar depend on highly integrated supply chains that send components across borders multiple times before a vehicle is completed. Nobel laureate Paul Krugman argues that competition from China demands some trade barriers, while Council on Foreign Relations expert Shannon O’Neil says the region’s manufacturing strength depends