Justice O’Connor joins the 5–4 majority in Bush v. Gore, a decision that effectively resolves the 2000 U.S. presidential election.
On December 12, 2000, the Supreme Court issued its per curiam decision in Bush v. Gore, with Justice Sandra Day O’Connor joining the 5–4 majority that halted Florida’s manual recount in the contested 2000 presidential election.
The majority concluded that Florida’s recount procedures violated the Equal Protection Clause because they lacked uniform standards for determining voter intent, and that no constitutionally valid recount could be completed by the state’s safe‑harbor deadline. By effectively ending the recount, the decision left in place the certification of Texas Governor George W. Bush’s narrow lead in Florida’s electoral votes, ensuring his victory over Vice President Al Gore.
O’Connor’s participation as a swing justice in Bush v. Gore was highly consequential and remains controversial. Critics argued that the Court overreached into electoral politics, while defenders contended that judicial intervention was necessary to resolve constitutional questions and provide finality.
From a historical standpoint, the case illustrates the profound role Supreme Court justices— including the first woman on the Court—can play in resolving political crises. It also prompted enduring debate about judicial legitimacy, partisanship, and the Court’s future role in election law, debates in which O’Connor’s vote is central.