The Trump administration should use the upcoming review of the U.S.-Mexico-Canada Agreement to negotiate a mechanism allowing the three parties to enhance cooperation on critical minerals, some stakeholders contend. The countries next year will conduct the first formal review of the pact, which will be informed by domestic consultations conducted separately by all three. The Office of the U.S. Trade Representative in September solicited comments from stakeholders that were due on Nov. 4. As of Friday, more than 1,500 comments...