President Clinton signs the welfare reform law on Aug. 22, 1996. Stephen Jaffe /Reuters /Landov hide caption

itoggle caption Stephen Jaffe /Reuters /Landov

Republican presidential candidate Mitt Romney speaks at a town hall meeting in Grand Junction, Colo., on July 10. Romney said he has "nothing hidden" in his taxes. Nicholas Kamm/AFP/Getty Images hide caption

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CNN's Candy Crowley at a Mitt Romney campaign event during the Iowa caucuses in January. David Holloway/CNN hide caption

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Republican presidential candidate Mitt Romney meets Israeli Prime Minister Benjamin Netanyahu before a meeting at the prime minister's office Sunday in Jerusalem, Israel. Uriel Sinai/Getty Images hide caption

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President Obama greets students after speaking at the University of Michigan in Ann Arbor on Jan 27. Young Republicans say they see an opportunity in 2012 to dent Obama's popularity among the youngest voters. Jewel Samad/AFP/Getty Images hide caption

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President Obama traveled in the presidential limo with his dog, Bo. Adviser David Axelrod tweeted this photo from the White House Flickr account to tweak the Romney campaign. Pete Souza/White House hide caption

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Senate Majority Leader Harry Reid, (D-NV) during a news conference on a payroll tax cut compromise. Manuel Balce Ceneta/AP hide caption

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Herman Cain (right) speaks as Texas Gov. Rick Perry looks on during a GOP presidential debate at Dartmouth College on Oct. 11.

Andrew Harrer/AFP/Getty Images hide caption

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President Obama speaks in the Rose Garden on Wednesday, flanked by U.S. Chamber of Commerce Chief Operating Officer David Chavern (left) and AFL-CIO President Richard Trumka (right). Business groups and unions are just two of the groups Obama will try to please with his jobs plan next week. Evan Vucci/AP hide caption

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Former Secretary of State Colin Powell during his appearance Sunday on CBS News' Face the Nation. Chris Usher/CBS News via Getty Images hide caption

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