I’m not an expert on immigration law, but it appears that US law prohibits entry for foreigners who support designated Foreign Terrorist Organizations, such as Hamas. This in turn leads to the question of whether foreign students who have already been admitted can have their visas revoked (or not renewed) for supporting Hamas while in the US, as the Trump administration has announced plans to do. This question was the subject of Eugene’s very interesting post yesterday about the ACLU’s letter on the matter.
One thing that occurred to me is that it’s clear that visas *can* be revoked for actions that involve the exercise of constitutional rights, for which Americans could not be punished. While the Supreme Court’s jurisprudence on economic rights is quite forgiving of government regulation, assumedly the Court would not permit the government to enforce a law prohibiting university students from working in any off-campus job…
