Republicans also got key reinforcements for their slim House majority at an important moment. And Democrats made gains compared with 2024 in each key race.

The billionaire supporter of President Donald Trump and his affiliated groups spent more than $21 million supporting the conservative in the race in hopes of breaking liberals' 4-3 majority on the court.

Susan Crawford, who led legal fights to protect union power and abortion rights and to oppose voter ID, defeated Republican-backed Brad Schimel in a race that became a proxy fight for the nation’s political battles.