Jon Tester’s campaign has devolved into ad hominem attacks on Tim Sheehy. The latest of these unwarranted attacks came as a ...

In the closely watched Montana Senate race, incumbent Democratic Sen. Jon Tester has accused his Republican challenger, Tim Sheehy, of wanting to radically change the U.S. health care system.

MSNBC's Lawrence O'Donnell is joined by Montana Democratic Sen. Jon Tester to discuss how the issue of reproductive rights, ...

I’m the president of Social Security Works PAC. My mission is to support members of Congress who are champions for seniors ...

Montana incumbent Sen. Jon Tester and Republican challenger Tim Sheehy have raised $57 million so far in the most pivotal ...

Democrat Sen. Jon Tester’s campaign argued that Sheehy’s support for state-led abortion policies could lead to Montana adopting a no-exceptions law or criminalizing women for having abortions, no ...

The second political handicapper in a matter of days has shifted Montana's Senate race in favor of Republicans as incumbent ...

New polling data shows Democrat Jon Tester trailing Republican challenger Tim Sheehy in the race that could determine control ...

Republican challenger Tim Sheehy is leading Democratic incumbent Sen. Jon Tester by 6 points, 51 percent support to 45 ...

Jon Tester is casting doubt on a recent poll that served as a precursor for political handicappers to give Republicans the ...

Incumbent Sen. John Tester is lagging behind his GOP challenger by 8 points in a new poll, boosting Republicans’ hopes of flipping the Senate.

The Montana Supreme Court ruled that a third-party Senate candidate can remain on the November ballot, rejecting the state's ...