Mitt Romney gets a kick out of South Dakota Sen. John Thune's comments during a January rally in Dubuque, Iowa. Chip Somodevilla/Getty Images hide caption

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Does Sen. Thune Have The Right Stuff For Romney?
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The NRA's Lock On The Gun Control Debate
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Bush-Era Tax Cuts The Hot Topic Again In Congress
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Senate Republicans Block So-Called 'Insourcing' Act
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Sen. Rob Portman, R-Ohio, campaigns with Mitt Romney in Cincinnati on Feb. 20. Mark Lyons/Getty Images hide caption

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Portman A Low-Key Possibility For GOP Running Mate
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Democrats' Efforts To Reveal GOP Donors Stymied
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Mitt Romney has an offshore investment account that he set up in Bermuda 15 years ago. iStockphoto.com hide caption

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Romney's Bermuda Account Raises Questions
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Democratic Sen. Sherrod Brown speaks in Columbus, Ohio, in May. Brown, who is up for re-election this year, says he wakes up every day "trying to figure out how to create jobs." Mark Duncan/AP hide caption

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Ohio Senator Vulnerable For Health Law Support
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Senate Strips Public Funds From Party Conventions
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House Speaker John Boehner, R-Ohio (left) and Senate Minority Leader Mitch McConnell, R-Ky., on Capitol Hill in February. Republicans have been quick to criticize the president for bypassing Congress with his immigration action, but they've been unusually silent on the policy itself. J. Scott Applewhite/AP hide caption

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Hill Republicans Tight-Lipped On Immigration Change
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President Obama addresses a joint session of Congress while delivering his State of the Union speech in 2011. During his first two years in office, Obama used big Democratic majorities in Congress to muscle through major legislation, but since the 2010 midterm elections, he's increasingly been stymied by a wall of GOP opposition. Chip Somodevilla/Getty Images hide caption

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Obama And Congress: Bipartisanship Talk Met Reality
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Critics say U.S. Supreme Court Chief Justice John Roberts, shown in 2010, backtracked on previous pledges to give high priority to precedent in the Citizens United campaign finance case. Paul J. Richards/AFP/Getty Images hide caption

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'Citizens United' Case Gets Renewed Scrutiny
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Mitt Romney, then the governor-elect of Massachusetts, walks into the House chambers during inaugural ceremonies at the Statehouse in Boston, on Jan. 2, 2003. Elise Amendola/AP hide caption

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Romney As Governor: 800 Vetoes And One Big Deal
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