Anti-Semites are violating federal law by boycotting Israel and Israeli companies and institutions. Activists in the Boycott, Divestment, and Sanctions (BDS) movement, one of the highest-profile global projects of the left, are subject to criminal and financial penalties, including jail time of five years and fines up to $50,000. A U.S. exporter can lose the right to export any products to any country. So why isn’t the U.S. Department of Justice enforcing the anti-boycott laws? President Donald Trump should order the Office of Antiboycott Compliance to come out of cryogenic stasis and get back to work, and order DOJ to...