Internal Revenue Service

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President Obama speaks on the Internal Revenue Service's targeting of conservative groups for extra tax scrutiny in the East Room of the White House in Washington on Wednesday May 15, 2013. Mr. Obama announced the resignation of Acting IRS Commissioner Steven Miller. (AP Photo/Susan Walsh)

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**FILE** Internal Revenue Service Commissioner Douglas Shulman testifies on Capitol Hill in Washington before the House Oversight Committee on Aug. 2, 2012. (Associated Press)

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News Item: IRS can read your emails. (Illustration by Dana Summers of the Tribune Media Services)

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If the IRS made a GPS ... (Illustration by Walt Handelsman of Newsday)

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William Shatner says he is appalled at an IRS parody of the popular "Star Trek" franchise on March 26, 2013. (Twitter)

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This undated handout photo provided by the Internal Revenue Service (IRS) shows National Taxpayer Advocate Nina Olson. The nation's tax law is so thick and complicated that businesses and individuals spend more than 6 billion hours a year complying with filing requirements. (AP Photo/Christopher Germano, IRS) **FILE**