Rep. Michele Bachmann, R-Minn., announces an end to her campaign for president on Wednesday in Des Moines, Iowa. Chris Carlson/AP hide caption

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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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Republican presidential candidate Rep. Michele Bachmann (R-MN) and her husband, Marcus, wave to the crowd after she speaks at the Iowa Republican Party's straw poll in Ames, Iowa, on Saturday. Bachmann won the poll with 4,823 votes. Charles Dharapak/AP hide caption

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Republican presidential candidates participated in the Iowa GOP/Fox News Debate at the CY Stephens Auditorium in Ames, Iowa, Thursday. From left, former Sen. Rick Santorum (R-PA); businessman Herman Cain; Rep. Ron Paul (R-TX), former Massachusetts Gov. Mitt Romney; Rep. Michele Bachmann (R-MN); former Minnesota Gov. Tim Pawlenty; former Utah Gov. Jon Huntsman; former House Speaker Newt Gingrich. Charlie Neibergall/AP hide caption

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Rep. Michele Bachmann (R-MN) has been holding multiple campaign events each day, in preparation for next week's Iowa straw poll. Susan Walsh/AP hide caption

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Republican presidential hopeful Rep. Michele Bachmann of Minnesota speaks to the Christian Chamber of Commerce at Christ Central Ministries in Columbia, S.C., on Monday. Brett Flashnick/AP hide caption

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