Although a debate continues to rage in the academy and on the Court about the propriety of originalism as a methodology of constitutional interpretation, in federalism cases both the majority and the dissent on the current Court appear to have embraced the approach. Yet their agreement ends there; the Court has consistently divided 5-4 in federalism cases. What explains the disagreement among Justices who appear to agree that the original understanding of the Constitution is also its current meaning? This article presents the results of a study of citation patterns in federalism cases since 1970. The study demonstrates that the Court\u27s current majority in federalism cases gives substantially more weight than does the dissent to Anti-Fede...