The 6-3 decision in Louisiana v. Callais narrowed when the Voting Rights Act can justify race-conscious district lines, giving Republican officials new legal arguments as they seek friendlier maps before voters choose control of Congress.
How the Voting Rights Act ruling changed the map fight
The court held that Louisiana’s 2024 map, which created a second majority-Black congressional district, was an unconstitutional racial gerrymander because the Voting Rights Act did not require the state to draw that additional district. In the court’s opinion, the majority said no compelling interest justified Louisiana’s use of race in creating the district.
The ruling did not formally strike down Section 2 of the Voting Rights Act, the nationwide ban on voting practices that dilute minority voters’ political power. But it reshaped how lower courts are likely to assess vote-dilution claims, especially in states where race and party preference are closely linked. Justice Elena Kagan, writing in dissent, said the decision rendered Section 2 “all but a dead letter.”
Republican governors and lawmakers moved quickly. Reuters reported that Republican leaders in Alabama, South Carolina and Tennessee signaled plans to pursue congressional maps more favorable to their party after the ruling, while lawsuits challenged Louisiana Gov. Jeff Landry’s decision to suspend the state’s May 16 congressional primary.
Louisiana delay turns legal ruling into election chaos
Louisiana is the immediate flashpoint. Early in-person voting for the state’s congressional primaries was set to begin May 2, but Landry suspended the U.S. House contests to give lawmakers time to draw a new map. The rest of the state’s primary elections were allowed to continue, creating a split election calendar that voters, campaigns and local officials must now navigate.
Civil rights groups, Democratic voters and a Democratic congressional candidate sued, arguing Landry lacked authority to halt the election and that absentee ballots had already been mailed and returned. The Associated Press reported that judges in Baton Rouge denied requests late May 1 to temporarily block the governor’s order, while Louisiana legislative leaders said they were prepared to pass new districts before their session ends.
The compressed timeline matters because Louisiana’s current delegation is split between four Republicans and two Democrats. A new map could reduce or eliminate one of the state’s two majority-Black districts, potentially shifting a Democratic-held seat toward Republicans before November.
Why the midterm map push is spreading
Alabama, Tennessee, Florida, Mississippi, Georgia and South Carolina are now being watched for different reasons. Alabama’s May 19 primary is close, but Gov. Kay Ivey called a special legislative session to prepare for possible changes if courts allow the state to move away from its current map, which includes two districts where Black voters have significant electoral power.
In Tennessee, Gov. Bill Lee called lawmakers into special session as Republicans examine whether to break up the Memphis-centered 9th Congressional District, the state’s only Democratic-held U.S. House seat. In Florida, Republican lawmakers approved a new congressional map that could give the GOP several additional opportunities. In Georgia, Gov. Brian Kemp said it was too late to change maps for 2026 because voting was already underway, but he said new maps would be needed before 2028.
A CBS News analysis said Republican-led states could gain between one and nine more favorable districts in an aggressive scenario, though timing, ballot deadlines and expected lawsuits could limit what can be done before November. The legal uncertainty is also tied to the “Purcell principle,” a doctrine under which courts are cautious about changing election rules close to Election Day.
A legal path years in the making
The current fight follows more than a decade of Supreme Court decisions that changed voting-rights litigation. In Shelby County v. Holder, the court’s 2013 ruling made the Voting Rights Act’s Section 5 preclearance system inoperable unless Congress adopted a new coverage formula, weakening federal review of voting changes in jurisdictions with histories of discrimination.
Then, in Rucho v. Common Cause, the court held in 2019 that partisan gerrymandering claims are political questions beyond the reach of federal courts. That decision pushed many map fights away from federal partisan-gerrymandering claims and toward state courts, state constitutions and Voting Rights Act claims.
For civil rights groups, Allen v. Milligan in 2023 appeared to preserve Section 2 as a powerful redistricting tool when the court affirmed a lower-court ruling against Alabama’s congressional map. The decision led to a new Alabama map and helped produce a second district where Black voters could elect their preferred candidate.
Louisiana’s path was similarly turbulent. The Supreme Court allowed the state to use a map with a second mostly Black district in 2024 under a temporary election-year order, but the justices returned to the merits of the case and reached the opposite practical result this week.
Both parties face risks from new maps
The redistricting rush may help Republicans on paper, but it also carries political and legal risks. Moving Democratic voters out of majority-Black districts can make surrounding Republican districts less secure. New maps drawn under pressure could face lawsuits over state constitutional limits, election deadlines, racial gerrymandering claims or voter confusion.
A Brookings analysis warned that the electoral effect is not automatic: A district drawn to be more Republican could still become competitive if national conditions move strongly against the party in power.
Democrats, meanwhile, are weighing responses in states where they control the mapmaking process. That could deepen a national redistricting arms race that began well before the Louisiana ruling and now may expand into the final months before the midterms.
The result is a midterm fight being waged not only in campaigns but also in legislatures and courtrooms. The Supreme Court’s decision gave Republican officials a new opening, but the outcome will depend on how fast states can redraw maps, whether judges let those maps stand and whether voters accept sudden changes to districts and election calendars.
