米連邦最高裁は、ルイジアナ州とアラバマ州に対し、黒人の投票機会を確保する選挙区を廃止する形で連邦議会選挙区地図の描き直しを認める一連の決定を下した。これらの裁定は、「ルイジアナ州対カレ（Louisiana v. Callais）」裁判および関連するアラバマ州の訴訟において示された。これは、投票権法に基づく投票権執行に対する同裁判所のアプローチが劇的に変化したことを意味する。
ここ2週間で、最高裁は「カレ」裁判において迅速に最終判決を下すことに合意した。この動きは通常の再審理期間を飛び越えるものであり、ルイジアナ州に対し、進行中の予備選挙を中止し、黒人の投票機会を確保する第2の選挙区を含まない地図を用いて新たな下院予備選挙を日程調整することを許可した。カレ裁判の事実は2023年の「アレン対ミリガン（Allen v. Milligan）」判決と鏡合わせのようなものだが、今回の新たな解釈は、今後マイノリティの原告が投票権法第2条に基づいて申し立てを行うことを事実上ほぼ不可能にしている。
「ルイジアナ州対カレ」裁判および関連するアラバマ州の訴訟に対する最高裁の判決を受け、X（旧Twitter）では、保守層がこの決定を違憲な人種的ゲリマンダーの終焉であり、2026年の中間選挙に向けた公平な地図の保護であるとして歓迎している。一方で、進歩派や労働団体は、この判決が投票権法を弱体化させ、マイノリティの代表権を希薄化させるものだと批判し、抗議や制度改革を呼びかける声も上がっている。
🚨 BREAKING: The US Supreme Court has just GRANTED Louisiana's request to fast-track their judgement to allow the red state to redistrict ahead of the 2026 midterms
— Eric Daugherty (@EricLDaugh) 2026年5月4日
Racial gerrymandering is COOKED, this means Louisiana is on track to redraw!
Ketanji Brown Jackson dissents 🤣… pic.twitter.com/OOItMXqA60
SCOTUS just ripped the spine out of the Democrats’ cheating machine and left them twitching on the floor like a gut-shot coyote.
— Flopping Aces (@FloppingAces) 2026年5月1日
Decades of using the Voting Rights Act as a racial slot machine to rig safe Democrat seats in the South? Finished. That revolting Louisiana “snake”…
🔥🚨 HUGE WIN FOR AMERICA: In a 6-3 vote, the Supreme Court STRUCK DOWN Louisiana's new congressional map that added a second majority-black district, holding that it constitutes an unconstitutional racial gerrymander. pic.twitter.com/0pvr8D0Bk0
— Proud Elephant 🇺🇸🦅 (@ProudElephant) 2026年4月29日
The Supreme Court's 6-3 right-wing majority quietly reversed itself, letting Alabama gut its majority-Black congressional district one week before primaries, effectively killing the last remaining provision of the Voting Rights Act. Sotomayor was blistering.
— tomwellborn3rd (@TomWellborn3) 2026年5月12日
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The U.S. Supreme Court ruled 6–3 on April 29, 2026, in Louisiana v. Callais that Louisiana’s congressional map (SB8) was an unconstitutional racial gerrymander, concluding the Voting Rights Act did not require the state to draw an additional majority-Black district. Sen. Raphael Warnock, D-Ga., called the ruling “a massive and devastating blow,” warning it could accelerate redistricting fights across Southern states ahead of the 2026 midterm elections.
The U.S. Supreme Court issued an order on Monday allowing its April 29 decision in Louisiana v. Callais to take immediate effect, bypassing the usual 32-day waiting period. This enables Louisiana to cancel its congressional primaries and redraw maps before the 2026 midterms. The move sparked a sharp exchange between Justice Samuel Alito's concurrence and Justice Ketanji Brown Jackson's dissent.
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The U.S. Supreme Court has allowed its Louisiana v. Callais decision to take immediate effect, enabling states to redraw congressional maps in ways that could reduce minority representation.
In response to the Supreme Court's Callais v. Louisiana decision curtailing Voting Rights Act protections (as covered in this series), Alabama lawmakers have begun a special session to reinstate 2023 congressional maps if courts lift a prior ban. Critics say the move would undermine Black representation.
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In the wake of the U.S. Supreme Court's April 29, 2026, decision in Louisiana v. Callais declaring the state's congressional map an unconstitutional racial gerrymander (as covered previously in this series), Louisiana has suspended its upcoming primaries for U.S. House races. The ruling affects one of the state's two Democratic-held majority-Black districts. Other primaries, including U.S. Senate, proceed May 16.
A POLITICO/Public First survey conducted May 9–11 finds a plurality of Democrats say their party should respond to Republican redistricting efforts even if it results in fewer majority-minority districts. The results come weeks after the Supreme Court’s April 29 decision in Louisiana v. Callais, which narrowed how Section 2 of the Voting Rights Act can be used in redistricting disputes.
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Virginia Democrats filed a lawsuit with the U.S. Supreme Court on Monday seeking to overturn a state court decision that struck down a voter-approved congressional map. The move comes after the U.S. Supreme Court’s ruling in Louisiana v. Callais effectively weakened the Voting Rights Act, prompting several Southern states to redraw districts.