Members of the Congressional Aluminum Caucus on Wednesday pressed Commerce Secretary Wilbur Ross on the Section 232 tariff exclusion process and urged him to exempt key allies, leaving some lawmakers with more questions than answers. “We have a long way to go,” Rep. Jackie Walorski (R-IN) told Inside U.S. Trade. The U.S. on April 30 extended aluminum and steel tariff exclusions for Canada, Mexico and the European Union by one month while agreeing in principle to arrangements with...