This photo provided by Rep. Chellie Pingree, D-Maine shows Democrat members of Congress, including, front row, from left, Rep. Steve Cohen, D-Tenn., Rep. Joe Courtney, D-Conn., and Rep. Rosa DeLauro, D-Conn., participate in sit-down protest seeking a a vote on gun control measures, Wednesday, June 22, 2016, on the floor of the House on Capitol Hill in Washington. (Rep. Chellie Pingree via AP)
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