Steve Bullock Announces Run For Montana's U.S. Senate Seat

The transcript discusses a Democrat's announcement to run for the Senate against GOP incumbent Steve Daines, marking a shift from his previous presidential campaign. This move could benefit Senate Democrats in the upcoming November elections. Bullock, who previously won the governor's race in Montana, will face several primary challengers, including Helena's mayor, Wilmot Collins.

What implications does Bullock's entrance into the Senate race have for Senate Democrats?

What challenges does Bullock face in the upcoming primary?