The Supreme Court did not merely weaken the Voting Rights Act in Louisiana v. Callais. It detonated a national redistricting arms race—and Black voters are the territory both parties now intend to fight over.
The ruling's legitimacy is already under a factual cloud. Justice Samuel Alito's majority opinion relied on a Justice Department claim that Black turnout exceeded white turnout in two of the five most recent presidential elections. A Guardian analysis found that the claim depended on an unusual denominator that included people ineligible to vote; more conventional measures showed a widening racial turnout gap after Shelby County v. Holder. The National Urban League argues that Callais therefore rests partly on a misleading factual premise copied almost word-for-word from the Trump administration's filing.
That matters because Callais did more than decide one Louisiana map. It made racial vote-dilution claims harder to prove, elevated partisan advantage as a legitimate state objective and gave mapmakers a ready-made alibi: "We targeted Democrats, not Black voters." Where race and party are tightly linked, that distinction is often less a description than a legal escape hatch.
The Court's posture is especially revealing. David Cole notes that the justices sometimes checked Trump this term—on birthright citizenship, tariffs, National Guard deployments and other executive-power claims—while showing far less restraint toward their own authority and precedent. Callais fits that pattern: the Court can rebuke the president in one case and still advance a broader conservative project that makes racial inequality harder to remedy.
The political system is responding exactly as critics feared. Alabama Republicans are urging turnout by describing the midterms as a fight for the nation's "soul." In Georgia, former Attorney General Eric Holder has tied his endorsement of Keisha Lance Bottoms to resisting partisan and racial gerrymandering. Louisiana, Alabama, Florida and Tennessee have adopted new maps, while Georgia, South Carolina and Mississippi have considered further changes.
Maryland Democrats are now preparing a special session aimed at eliminating the state's sole Republican congressional seat as a counterweight to Republican redraws elsewhere. They propose changing state constitutional rules and sending the question to voters. Maryland Republicans call the plan an antidemocratic power grab. Both descriptions contain part of the truth: one side escalated the national map war, and the other is choosing retaliation over disarmament.
This is the poison Callais has poured into American federalism: one party manipulates maps, the other retaliates, and each calls escalation self-defense. The result is not fair representation.
It is mutually assured gerrymandering.
Critical race theory explains why "both sides do it" is not the end of the analysis. A formally symmetrical map war operates inside an unequal history. Black communities were segregated, disenfranchised and denied representation long before modern parties perfected mapping software. When the Court weakens the federal remedy designed to recognize racially unequal results, retaliatory Democratic gerrymanders do not restore the lost principle. They merely confirm that voters have become raw material for partisan power.
The Trump administration may celebrate Callais because it expands the terrain available for Republican entrenchment. But the decision also legitimizes the same weapon in Democratic states. A rule designed to protect partisan power cannot remain morally pure when the other party learns to use it.
The democratic answer is not surrender—and not a permanent map war. Congress should prohibit partisan gerrymandering in federal elections. States should enact voting-rights acts, independent commissions, public map-data requirements and enforceable protections for minority representation. Reformers should also pursue proportional and multimember systems that reduce the power of any legislature to predetermine outcomes with a line.
Callais did not settle redistricting.
It converted constitutional democracy into a territorial auction—and told the highest bidder to bring better software.
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