The Supreme Court's recent decision, Fulton v. Philadelphia, is justifiably getting mixed reviews. Catholic Social Services sued the city of Philadelphia, through the Philadelphia Archdiocese, for canceling its 50-year contract with the Catholic social services agency because it refuses to certify same-sex couples as foster families for the purpose of foster care. The Supreme Court ruled in favor of CSS, finding that Philadelphia violated its First Amendment protections. The criticism is that the decision was narrow and technical, skirting the core question of how we understand religious liberty today, when it is under assault almost everywhere. According to existing precedent,...