It looks like Montana Democratic Sen. Jon Tester [
pictured] will have stiff competition in his 2012 re-election campaign. Three Republicans are considering a challeng
e, with Rep. Denny Rehberg viewed as the strongest potential candidate, Roll Call reports.
Steve Daines, the 2008 lieutenant governor nominee, says he’s

considering a run, and Republicans in the state expect him to announce formally this weekend. Neil Livingstone, a national security and terrorism expert, also is weighing a bid. He tells Roll Call he has “great concern about the way the country is going, so I’m taking a serious look at it.”
A Rehberg spokesman says he’s not thinking about a possible Senate bid at this point. But Republican insiders say Rehberg, who represents the entire state in an at-large district, is the favorite.
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