While there has been much focus on manufactured goods and agriculture, there is one sector of North American trade that has been largely overlooked in terms of a potential NAFTA rewrite.While there has been much focus on manufactured goods and agriculture, there is one sector of North American trade that has been largely overlooked in terms of a potential NAFTA rewrite. Mexico and Canada are the two top bilateral trade partners with the U.S. in energy. In 2016, energy accounted for about 9 percent of all exports to Mexico and 3 percent of all imports as well as 5 percent of all exports to Canada and 19 percent of all imports.The trade deficit with Canada is mostly by design; its crude imports, which have grown over the decades, displace cru...