Although critics of judicial review sometimes call for making the entire Constitution nonjusticiable, many familiar norms of constitutional law state what we call existence conditions that are necessarily enforced by judicial actors charged with the responsibility of applying, and thus as a preliminary step, identifying, propositions of sub-constitutional law such as statutes. Article I, Section 7, which sets forth the procedures by which a bill becomes a law, is an example: a putative law that did not go through the Article I, Section 7 process and does not satisfy an alternative test for legal validity (such as the treaty-making provision of Article II, Section 2), has no legal existence. A judge who disclaims the power of judicial revi...