Zivotofsky v. Kerry: Under the Reception Clause in Article II of the U.S. Constitution, only the President may grant formal recognition to a foreign sovereign, and Congress may not pass a law under its own authority to grant formal recognition or require the President to override a prior official determination of recognition.| Justia Law
Reid v. Covert: Constitutional protections are not suspended for U.S. citizens in foreign countries, so they are not subject to military jurisdiction. Also, the Constitution supersedes international treaties.| Justia Law
United States v. Curtiss-Wright Export Corp.: The President has exclusive power over foreign policy and does not need Congress to delegate power to the executive branch in this area.| Justia Law