The court's 6-3 ruling Tuesday drove a stake through the most extreme version of the so-called independent state legislature theory, which holds that legislatures have absolute power in setting the rules of federal elections and cannot be second-guessed by state courts. Supreme Court shot down a controversial legal theory that could have changed the way elections are run across the country, but left the door open to more limited challenges that could increase its role in deciding voting disputes during the 2024 presidential election.
