The U.S. Court of Appeals for the Tenth Circuit issued a decision on 20 July 2021 concerning the constitutionality of revoking passports of taxpayers with significant tax debts. In its decision, the Court of Appeals upheld a U.S. District Court of Colorado decision in the case of Jeffrey T. Maehr, Plaintiff, v. U.S. Department of State. The plaintiff had challenged the lawfulness of the United States Department of State’s revocation of his passport, arguing that it violates substantive due process, runs afoul of principles announced in the Privileges and Immunities clauses, and contradicts caselaw concerning the common law principle of...