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The Principle Designed to Protect Elections Is Now Reshaping Them
The Supreme Court’s own landmark doctrine designed to keep courts out of election disputes is now being cited as a reason for some of the most consequential redistricting decisions in a generation. In the weeks leading up to the 2026 midterm primaries, the court’s 6-3 conservative majority has issued rulings in Louisiana and Alabama that have triggered a frantic scramble to redraw congressional maps — and the timing is drawing sharp criticism from legal experts across the political spectrum.
The Louisiana decision, which weakened key provisions of the Voting Rights Act, was released fewer than three weeks before that state’s congressional primary — and more than a year after the court had initially delayed action on the case. The result: two Republican-led states moving to eliminate majority-Black districts held by Democrats, with primaries postponed and candidates forced to refile under new district lines with virtually no warning.
What Is the Purcell Principle?
The doctrine traces to a 2006 ruling, Purcell v. Gonzalez, in which the Supreme Court blocked a lower-court order that would have prevented Arizona from implementing a photo ID requirement for voter registration close to an election. The unsigned opinion warned that court orders affecting elections could “result in voter confusion and consequent incentive to remain away from the polls.” The principle that emerged urges judicial restraint as elections approach — courts should not alter the rules of the game when the game is already underway.
In practice, Purcell has been interpreted two distinct ways. The narrower reading, favored by some conservative jurists, holds that the principle binds federal courts from imposing last-minute changes to state election rules — state legislatures retain authority to adjust their own rules. The broader reading, advanced by liberal critics and some election law scholars, suggests courts of any kind should simply stay out of election disputes as balloting nears.
Justice Brett Kavanaugh articulated the narrower view in a 2020 Wisconsin case: “It is one thing for state legislatures to alter their own election rules in the late innings and to bear the responsibility for any unintended consequences. It is quite another thing for a federal district court to swoop in and alter carefully considered and democratically enacted state election rules when an election is imminent.”
“I don’t think you can see this as anything other than a raw exercise of power.” — Kareem Crayton, Brennan Center for Justice
The Court Applying Purcell Unevenly — Or Not at All
The sharpest criticism of the court’s recent actions stems from the perception that Purcell is being applied selectively. In both the Louisiana and Alabama decisions that cleared the way for the new maps, the majority issued unsigned opinions with no explanation and made no reference to Purcell. Liberal Justice Ketanji Brown Jackson, dissenting in the Louisiana case, pointedly invoked “the so-called Purcell principle” as a reason not to intervene — only to be rebutted by conservative Justice Samuel Alito, who called allegations of judicial overreach “groundless and irresponsible.”
The inconsistency is difficult to ignore. In December, the court allowed Texas to use a new gerrymandered map that a lower court had blocked — despite the fact that months remained before primaries. When the same logic would have protected majority-minority districts in Louisiana and Alabama, the court moved with unusual speed. Election law scholars have taken notice.
“In more recent cases, the Purcell principle seemed to have a broader and more vague meaning — suggesting that courts simply should not interfere in approaching elections at all,” said Justin Levitt of Loyola Law School Los Angeles. “It was a firmer, hands-off, pencils-down principle. But the court has applied it unevenly.”
The 2026 Electoral Stakes
The implications for November’s midterm are significant. The House balance of power hinges on a handful of competitive districts — and the new maps in Louisiana and Alabama, if they hold, are expected to net Republicans at least two seats that Democrats currently hold. Combined with ongoing redistricting battles in other states through the Mid-Decade Project, the Supreme Court’s interventions have shifted the baseline map in ways that may not be fully sorted out before voters go to the polls.
NBC News polling shows public confidence in the Supreme Court at an all-time low, a trend accelerated by a string of rulings favoring the Trump administration on executive power questions. Chief Justice John Roberts has publicly lamented the perception that justices are “political actors” — a complaint that rings hollow to critics watching the court reshape electoral maps from the bench in the final months before a high-stakes midterm.
The paradox is stark: a principle designed to insulate elections from judicial meddling has become a mechanism for it. Whether Purcell survives as a coherent doctrine — or merely as selective cover for strategic intervention — may be one of the defining legal questions of the 2026 election cycle.