The U.S. Supreme Court is set to hear arguments Wednesday morning in a high-profile case over tariffs that could test the limits of presidential power in

The Supreme Court will hear oral arguments on Wednesday in Louisiana v. Callais, a challenge to the state’s congressional map that could shape the fight over the Voting Rights Act. The court heard arguments over Louisiana’s addition of a second ...

Watch live coverage as Tom Llamas, Kristen Welker, Hallie Jackson and Steve Kornacki bring you the latest election results from across the country. The NBC News team is following races including New York City mayor,