It has been a long, deep slide for the Minnesota congresswoman, who enjoyed a high point in her campaign when she won a Republican straw poll in Ames, Iowa several months ago. In her statement, Bachmann referred repeatedly to “Obamacare” and said the Republican Party must not miss a “once-in-a-lifetime opportunity” to repeal both the sweeping health care law under Obama’s watch and the financial regulation law known as Dodd-Frank.