During the 2016 presidential campaign, we noted that one key of the Trump Trade Doctrine was that trade policy must “strengthen the U.S. manufacturing base.” Also noted was that there was no mention of agricultural commodities or services, two of the largest export sectors in the U.S. economy. Yesterday President Trump announced he would follow the recommendations of the U.S. Commerce Department’s trade investigation report into steel and aluminum imports, which was initiated in April 2017 under Section 232 of the Trade Act of 1962. This provision of the trade law is specific to determining the impact of certain product imports on U.S. national security. The report concluded that the volume and circumstances of steel and...