Supreme Court Turns Away Clash Over Presidential Election Rules

The U.S. Supreme Court turned away two Republican appeals over the deadlines for mail ballots in Pennsylvania, declining to use a lingering dispute over the 2020 election to reset the rules for future presidential contests.

The rebuff leaves intact a Pennsylvania Supreme Court ruling that allowed three extra days for ballots to arrive in November because of the pandemic and anticipated mail delays. Republicans said the ruling usurped the power of the state legislature in violation of the U.S. Constitution.

Republicans filed the appeals in October, seeking to help Donald Trump’s re-election bid. The Supreme Court declined to intervene ...