Sen. Ted Cruz, R-Texas, center, Sen. Marco Rubio, R-Fla., left, and Sen. Mike Lee, R-Utah, express frustration on Friday after the Senate passed a bill to fund the government, but stripped it of language crafted by House Republicans to defund Obamacare. J. Scott Applewhite/AP hide caption

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An online course for Affordable Care Act "navigators" in Florida. Joe Raedle/Getty Images hide caption

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President Obama nominates Robert Wilkins, Patricia Millett and Nina Pillard to fill the remaining vacancies on the U.S. Court of Appeals for the District of Columbia Circuit on June 4. Jim Watson/AFP/Getty Images hide caption

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From left, Rep. Sander Levin, D-Mich., Rep. Robert Scott, D-Va., and Rep. Brad Schneider, D- ll., walk to a closed members-only briefing on Syria on Sunday. Carolyn Kaster/AP hide caption

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Rep. Scott Rigell, R-Va., has gotten dozens of House members to sign on to a letter demanding that President Obama ask for the official blessing of Congress before attacking Syria. Steve Helber/AP hide caption

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Opponents of North Carolina's new voter ID legislation wear tape over their mouths while sitting in the gallery of the House chamber of the North Carolina General Assembly in Raleigh, N.C., on April 24, where lawmakers debated new voter laws. On Monday, Gov. Pat McCrory signed a new law that requires a state-approved photo ID to vote and cuts early-voting opportunities. Gerry Broome/AP hide caption

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People walk on the Columbia University campus in New York City on July 1, the day the federal student loan interest rate hike kicked in. Mario Tama/Getty Images hide caption

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Veetek Witkowski holds a newly assembled AR-15 rifle at the Stag Arms company in New Britain, Conn., in April. Charles Krupa/AP hide caption

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Sen. Susan Collins, R-Maine, is among the lawmakers who say they were never briefed about the government's surveillance programs. T.J. Kirkpatrick/Getty Images hide caption

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Sen. Kirsten Gillibrand greets panel members from the military and the Defense Department testifying on Capitol Hill on March 13 before the subcommittee's hearing on sexual assault in the military. Carolyn Kaster/AP hide caption

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Deward Cawthon, a plant operator at the Federal Helium Reserve, walks through the Federal Crude Helium Enrichment Unit near Amarillo, Texas, in 2011. Joyce Marshall/MCT/Landov hide caption

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After years in the halls of Congress, Republican Mitch McConnell has to convince Kentucky voters that he's still paying attention to what they want. Chip Somodevilla/Getty Images hide caption

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New York City Mayor Michael Bloomberg speaks at a news conference at City Hall on April 25. The billionaire mayor has been spending from his personal fortune to provide a "political counterweight to the NRA," his policy adviser says. Spencer Platt/Getty Images hide caption

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Assault weapons and hand guns for sale. Seth Perlman/AP hide caption

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