Schweitzer's decision improves the chances for Republicans to pick up the seat of retiring Sen. Max Baucus (D). Rep. Steve Daines (R) is mulling a bid, and would be an early frontrunner if he jumps in the race.
The prospective Democratic field includes state schools superintendent Denise Juneau; Baucus State Director John Lewis; state Supreme Court Justice Brian Morris; EMILY's List President Stephanie Schriock; Lt. Gov. John Walsh; and state Sen. Kendall van Dyk.
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