The case before us differs in numerous respects from the conventional Establishment Clause claim. Unlike the typical suit involving religious displays or school prayer, plaintiffs seek to invalidate a national security directive regulating the entry of aliens abroad. Their claim accordingly raises a number of delicate issues regarding the scope of the constitutional right and the manner of proof. The Proclamation, moreover, is facially neutral toward religion. Plaintiffs therefore ask the Court to probe the sincerity of the stated justifications for the policy by reference to extrinsic statements—many of which were made before the President took the oath of office. These various aspects of plaintiffs’ challenge inform our standard of review....
Nonetheless, although foreign nationals seeking admission have no constitutional right to entry, this Court has engaged in a circumscribed judicial inquiry when the denial of a visa allegedly burdens the constitutional rights of a U. S. citizen....
For our purposes today we assume that we may look behind the face of the Proclamation to the extent of applying rational basis review.... As a result, we may consider plaintiffs’ extrinsic evidence, but will uphold the policy so long as it can reasonably be understood to result from a justification independent of unconstitutional grounds....
The Proclamation is expressly premised on legitimate purposes: preventing entry of nationals who cannot be adequately vetted and inducing other nations to improve their practices. The text says nothing about religion. Plaintiffs and the dissent nonetheless emphasize that five of the seven nations currently included in the Proclamation have Muslim-majority populations. Yet that fact alone does not support an inference of religious hostility, given that the policy covers just 8% of the world’s Muslim population and is limited to countries that were previously designated by Congress or prior administrations as posing national security risks.The majority also used its opinion to formally reject the long-discredited Korematsu case that in 1944 upheld the internment of Japanese Americans.
Justices Kennedy and Thomas each filed a separate concurring opinion. Justice Breyer filed a dissenting opinion joined by Justice Kagan. Justice Sotomayor filed a dissenting opinion, joined by Justice Ginsburg, saying in part:
The United States of America is a Nation built upon the promise of religious liberty. Our Founders honored that core promise by embedding the principle of religious neutrality in the First Amendment. The Court’s decision today fails to safeguard that fundamental principle. It leaves undisturbed a policy first advertised openly and unequivocally as a “total and complete shutdown of Muslims entering the United States” because the policy now masquerades behind a façade of national-security concerns. But this repackaging does little to cleanse Presidential Proclamation No. 9645 of the appearance of discrimination that the President’s words have created. Based on the evidence in the record, a reasonable observer would conclude that the Proclamation was motivated by anti-Muslim animus. That alone suffices to show that plaintiffs are likely to succeed on the merits of their Establishment Clause claim. The majority holds otherwise by ignoring the facts, misconstruing our legal precedent, and turning a blind eye to the pain and suffering the Proclamation inflicts upon countless families and individuals, many of whom are United States citizens. Because that troubling result runs contrary to the Constitution and our precedent, I dissent.
