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Trump's Muslim Ban and its Constitutional Limits

2017

The dramatic executive orders of the newly inaugurated President of the United States, Donald Trump, including, most infamously, his executive order excluding Syrian refugees from entry into the United States, and popularly known as the "Muslim ban," has raised not only hackles among many outside observers, but also questions about the legality of these orders. The short answer is that some of the matters set out in his executive orders, including those affecting refugees, are almost certainly legal, while other aspects of those orders raise significant issues under the United States constitution. It is of course beyond the scope of this short post to discuss the legality of each and every detail of Trump's various orders, and accordingly, I will only provide a description of the broad constitutional and statutory issues that these order raise. The first question is whether the United States executive has any inherent law-making authority under the United States constitution. Here, the question is clearly yes, most obviously in the field of foreign relations. The Supreme Court, in American Insurance Association v. Garamendi, 537 US 1100 (2003), affirmed the proposition that under the United States constitution, the conduct of foreign affairs is a matter for the national government, exercised largely, even if not exclusively through, the executive branch. Accordingly, "in foreign affairs the President has a degree of independent authority to act [without the permission of Congress]." The heretofore unresolved question of US constitutional law is whether substantive constitutional values that limit the domestic power of the federal government also apply to limit its power in its conduct of foreign relations. United States courts have, over the years, given conflicting answers to this question. The most prominent case asserting that the US executive is free to conduct foreign relations without any constitutional constraints is the Curtiss-Wright case, 299 US 304 (1936). In that decision, the Supreme Court articulated a theory of executive power in the conduct of foreign relations that identified the source of that power in the sovereignty of the United States. Accordingly, the constitution does not create the power to conduct foreign relations; rather, all it does is vest that power, which pre-existed the constitution, in the executive branch of the government, which is represented exclusively by the president. Because this power is pre-constitutional, the constitutional limitations that apply to the domestic actions of the federal government are not relevant to its conduct of international relations.