Members of the Supreme Court sit for a new group portrait following the addition of Associate Justice Ketanji Brown Jackson, at the Supreme Court building in Washington, Oct. 7. Bottom row, from left: Justice Sonia Sotomayor, Justice Clarence Thomas, Chief Justice of the United States John Roberts, Justice Samuel Alito, and Justice Elena Kagan. Top row, from left: Justice Amy Coney Barrett, Justice Neil Gorsuch, Justice Brett Kavanaugh, and Justice Ketanji Brown Jackson. (AP Photo/J. Scott Applewhite, File)
WASHINGTON — The Supreme Court is about to confront a new elections case, a Republican-led challenge asking the justices for a novel ruling that could significantly increase the power of state lawmakers over elections for Congress and the presidency.