Minnesota Rep. Michele Bachmann signs autographs at the Pizza Ranch in Indianola, Iowa, on Wednesday. The restaurant was largely empty aside from a few local Iowans, media and Bachmann staff. Becky Lettenberger//NPR hide caption

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Republican presidential candidate Michele Bachmann speaks at The Gift of Life movie premiere in Des Moines on Wednesday night. Jim Young/Reuters /Landov hide caption

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Rep. Michele Bachmann, shown speaking at a reception by the anti-tax group Iowans for Tax Relief, was once a prosecutor for the IRS. On the campaign trail, she has made that part of her resume a selling point.

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Republican presidential candidate Rep. Michele Bachmann arrives for a rally in Costa Mesa, Calif., on Friday. Chris Carlson/AP hide caption

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