The Supreme Court upheld an areal restriction on travel to Cuba when the passport applicant's purpose was to gather information. The Court pursued a due process inquiry and held the first amendment inapposite in this situation. The Court refused to recognize incidental involvement of peripheral first amendment freedoms and afforded questionable future constitutional protection for the right to travel abroad.
Constitutional Law: Resolving Conflict Between the Right to Travel and Implementation of Foreign Policy,
1966 Duke Law Journal
Available at: https://scholarship.law.duke.edu/dlj/vol15/iss1/11