South Carolina’s Republican governor must appoint a staunch constitutionalist to finish Lindsey Graham’s term, not another Senate fixture who treats endless foreign aid and procedural deal-making as virtues. Graham’s sudden death hands the state an opening to reject the old guard’s reflexive interventionism and install someone who actually restrains federal power. A special primary in August will test whether South Carolina Republicans still prize senators who view the upper chamber as a brake on centralized authority rather than a platform for global management. The Constitution leaves vacancies to the states precisely to keep the Senate tethered to local sovereignty and popular consent, not national party machines. South Carolina now has the chance to demonstrate that federalism works when governors and voters insist on limited government instead of accommodating the administrative state. Anything less hands the seat to the same Beltway consensus that has grown Washington at the expense of the states and the people. True conservatives will demand an appointment and nominee who remember why the Senate was designed to check, not enable, concentrated power.