PBS News Hour

How Montana Senate race became so competitive -- and costly

In the battle to control the U.S. Senate, one of the competitive contests pits a Republican incumbent, Steve Daines, against a two-term Democratic governor, Steve Bullock. Montana’s Senate race has become the most expensive campaign in the state’s history. Anna Rau of Montana PBS reports on how Big Sky Country has become a center of big political spending -- and even bigger stakes.

How Montana Senate race became so competitive -- and costly

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