The Montana Supreme Court on Tuesday affirmed a lower court ruling that allowed the state’s Green Party Senate candidate to remain on the ballot in November, a blow to Democrats’ efforts to prevent what they expect could be a spoiler in the close race between incumbent Sen.

Jon Tester faces the toughest reelection race of any incumbent this year. But he insists he’s no underdog, and neither party is giving up on the state yet.

In and around U.S. Sen. Jon Tester’s hometown of Big Sandy, Montana, opinions are mixed on the incumbent, but most don’t care he’s a Democrat in a

Polls are showing Sen. Jon Tester falling behind, raising uncomfortable questions for Democrats about how to hold the Senate.