Senate Hearing on Campaign Finance in DC (14 images)

Boxes containing petitions calling for a campaign finance amendment to the constitution are brought into the hearing room prior to a Senate Judiciary Committee hearing on a constitutional amendment on campaign finance, on Capitol Hill in Washington, D.C. on June 3, 2014. UPI/Kevin Dietsch

Boxes containing petitions calling for a campaign finance amendment to the constitution are brought into the hearing room prior to a Senate Judiciary Committee hearing on a constitutional amendment on campaign finance, on Capitol Hill in Washington, D.C. on June 3, 2014. UPI/Kevin Dietsch

Senate Minority Leader Mitch McConnell (R-KY) (L) and Senate Majority Leader Harry Reid (D-NV) testify during a Senate Judiciary Committee hearing on a constitutional amendment on campaign finance, on Capitol Hill in Washington, D.C. on June 3, 2014. UPI/Kevin Dietsch

Senate Minority Leader Mitch McConnell (R-KY) (L) and Senate Majority Leader Harry Reid (D-NV) testify during a Senate Judiciary Committee hearing on a constitutional amendment on campaign finance, on Capitol Hill in Washington, D.C. on June 3, 2014. UPI/Kevin Dietsch