The U.S. Commerce Department has reportedly passed its recommendations in the section 232 review of aluminum imports to President Trump, who now has 90 days to act. It would be a surprise to see him wait that long to make a decision, and executing on the section 232 review of steel at the same time seems possible. The case has already led to lower aluminum imports in broad terms. Imports of all basic products have fallen 1% in dollars and 14% in volumes terms in the three months to November 30 vs. the first quarter of 2017. The challenge for the President will be to pick targets that are...