The Boycott, Divestment, and Sanctions (BDS) movement is notorious for its singular focus on the Jewish State and the transparent antisemitism of its chief architects. Nikki Haley, now a candidate for president, struck a significant blow to the movement when she signed the first-ever anti-BDS law prohibiting recipients of public contracts and state investment in South Carolina from boycotting Israel. More than half the states have now adopted similar measures, and together they provide a powerful bulwark against corporate boycotts of Israel. BDS activists insist these laws violate the First Amendment. But after almost a decade of litigation, the Supreme...