Senate Majority Leader Harry Reid of Nevada (left) talks with Senate Minority Leader Mitch McConnell of Kentucky. The two Senate leaders were on opposite sides of a proposed constitutional amendment to limit fundraising and spending in campaign politics. J. Scott Applewhite/AP hide caption

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J. Scott Applewhite/AP

Democrats say they're focused on the Koch brothers because, they allege, Republican candidates are doing the billionaires' bidding. Republicans say Democrats are desperate. David Koch (above) is chairman of Americans for Prosperity. Phelan M. Ebenhack/AP hide caption

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Phelan M. Ebenhack/AP

Senate Majority Leader Harry Reid, D-Nev., faces reporters at the Capitol after bipartisan Senate opposition blocked swift confirmation for President Barack Obama's choice to head the Justice Department's Civil Rights division on March 5. J. Scott Applewhite/AP hide caption

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J. Scott Applewhite/AP

Senate Majority Leader Harry Reid, D-Nev., cited the bad December jobless numbers as a reason Congress should extend federal unemployment insurance. J. Scott Applewhite/AP hide caption

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J. Scott Applewhite/AP

Democratic Sens. Charles Schumer, Harry Reid and Richard Durbin (from left) speak after Senate Democrats voted to take the bite out of the filibuster. J. Scott Applewhite/AP hide caption

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J. Scott Applewhite/AP

On June 4, President Obama introduces his nominees to the U.S. Court of Appeals for the District of Columbia Circuit: from right, Patricia Ann Millett, Cornelia T. L. Pillard and Robert L. Wilkins. Mark Wilson/Getty Images hide caption

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Mark Wilson/Getty Images

House Speaker John Boehner shows his softer side Thursday before resuming his tough guy role in the fiscal fight. Evan Vucci/AP hide caption

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Evan Vucci/AP

People who for years had planned to be boating down the Colorado River in the Grand Canyon right about now instead found themselves on Saturday camping in a parking lot because of the government shutdown. Julie Jacobson/AP hide caption

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Julie Jacobson/AP

Veterans who came to Washington Tuesday to see the World War II memorial on the National Mall were able to complete their visit, although the memorial — like other federal museums and memorials — was officially closed to the public. Karen Bleier /AFP/Getty Images hide caption

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Karen Bleier /AFP/Getty Images