Sen. Bernie Sanders, I-Vt., center, joined by Congressional Democrats, and others, speaks at a news conference on Capitol Hill in Washington, Monday, Sept. 8, 2014, calling for an amendment to the Constitution aimed at curbing special interests' financial clout in elections. From left are, Robert Weissman, president of Public Citizen, Margery F. Baker, executive vice president for policy and program at People for the American Way, Sen. Tom Udall, D-N.M., Sanders, Sen. Sheldon Whitehouse, D-R.I., Rep. Ted Deutch, D-Fla., and Sen. Al Franken, D-Minn. Members of the Senate and the House of Representatives return to Capitol Hill today after a five-week vacation. (AP Photo/J. Scott Applewhite)
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