Security ... think about it!
Both of these proposals are dangerous and ineffective violations of basic civil liberties, and they are almost surely unconstitutional. In 1967, in Afroyim vs. Rusk, the Supreme Court held that Congress cannot strip individuals of citizenship unless they choose to renounce it. In words directly applicable to the Lieberman proposal, the court stated: "Citizenship is no light trifle to be jeopardized any moment Congress decides to do so.... The very nature of our free government makes it completely incongruous to have a rule of law under which a group of citizens temporarily in office can deprive another group of citizens of their citizenship."