Michele Bachmann took her paranoid campaign against the White House to new heights on Thursday, leading a mass protest inside the Capitol itself that led to multiple arrests. Antics like these have made her one of the breakout stars of the Republican Party in the Obama era, drawing praise from Sarah Palin, Glenn Beck, and even George Will. But her stunts have also made what is otherwise a relatively safe Republican seat potentially vulnerable to Democratic takeover.
Her bid for re-election to a third term is still a year away. But two credible challengers have already emerged to vie for the Democratic nomination: physician Maureen Reed and State Senator Tarryl Clark. Both are making Bachmann's extremist rhetoric the centerpieces of their campaigns.