NEW: Cook Political Report has moved Jon Tester’s Senate race from Toss-Up to Lean Republican.

Last cycle, Jon narrowly won re-election by just a few points. Republicans know Jon is vulnerable, and they’ve already poured $95 million into Montana to tip the scales in their favor.

John, pitch in $10 to help Defend the Senate. The first $100,000 in donations are 5X-MATCHED to elect Senate Democrats like Jon Tester >>

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