Aged Supreme Court precedents continue to tolerate many practices that would shock modern sensibilities. Yet the Court lacks standard tools for phasing out decisions that offend our national character. The very cultural shifts that have reoriented our normative universe have also insulated most repugnant precedents from direct attack. And the familiar stare decisis factors cannot genuinely explain what ails societally outmoded decisions. Even for justices inclined to condemn these embarrassments in less clinical terms, it is unclear what qualifies courts to make universalist claims about contemporary American values. The Court recently sidestepped these difficulties by insisting that one of its most reviled decisions had been “overruled in ...