( June 29, 2026, 2:13 PM EDT) -- WASHINGTON, D.C. — Finding that while federal law governs “when ballots must be cast, state law governs when they must be received,” the U.S. Supreme Court in a 5-4 ruling on June 29 held that a COVID-era Mississippi state law providing that mail-in ballots postmarked by Election Day may be received by the registrar within five business days of Election Day and still be valid is not preempted by federal law governing elections....