Last Wednesday, the Supreme Court’s Republican majority effectively repealed a 1982 amendment to the Voting Rights Act that required some states to draw a minimum number of majority-Black or majority-Latino legislative districts. The GOP justices’ decision has already kicked off another round of skirmishes in the gerrymandering wars. Louisiana suspended its US House elections until new maps can be drawn that will elect more white Republicans. Mississippi’s legislature will hold a special session where it could draw similar maps . Tennessee and Alabama also appear likely to draw whiter and more Republican maps before the upcoming midterm elections. SCOTUS, Explained Get the latest developments on the US Supreme Court from senior correspondent Ian Millhiser. Key takeaways The United States has never had robust protections against gerrymandering, and it’s allowed wealthy donors to shape politics for a very long time.…