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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House Speaker John Boehner at a Capitol Hill news conference last month. He said Wednesday that the Republican-controlled House will file a lawsuit accusing President Obama of failing to carry out laws passed by Congress. J. Scott Applewhite/AP hide caption

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President Obama greets a woman at Wazee Supper Club in Denver on Tuesday. He was in Colorado this week speaking about the economy and raising money for congressional candidates. Jacquelyn Martin/AP hide caption

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Detainees sleep and watch television in a holding cell where hundreds of mostly Central American immigrant children are being processed at a U.S. Customs facility in Nogales, Texas. Getty Images hide caption

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