Republican Challenger Pulls Ahead of Montana Senator Tester: Poll

Jon Tester Won a Prize for Fighting Dark Money. He’s Been Relying on It for Years.

The Road to a Republican Senate

Column: GOP control depends on a weak Biden and strong candidates

Jon Tester Wants to Ban Dark Money. But Not Until It Helps Him Win.

Shady super PAC meddling in Montana GOP primary bankrolled by Schumer dark money group, filings show

Chuck Schumer Is Behind This Mysterious PAC Meddling in Montana's GOP Primary

Last Best Place PAC has spent millions of dollars attacking GOP frontrunner Tim Sheehy

In Test of GOP's Primary Strategy, Political Newcomer Aims To Bring Down Jon Tester. Can He Pull It Off?