U.S. Treasury Secretary Jacob Lew has announced rules aimed at discouraging U.S. companies from moving their headquarters overseas to cut their tax bills. Win McNamee/Getty Images hide caption

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Ireland (shown here in this Dingle Peninsula photo) has been among the greenest pastures for countries seeking to reduce their tax liabilities through a process called "corporate inversion." iStockphoto hide caption

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White House Urges Lawmakers To Address Popular Tax Dodge
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Ty Warner, creator of Beanie Babies toys, attends the 2003 American International Toy Fair in a rare appearance to celebrate the 10th anniversary of the Beanie Babies toy line. Chris Hondros/Getty Images hide caption

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