WASHINGTON, DC - JUNE 22: (L-R) U.S. House Minority Leader Rep. Nancy Pelosi (D-CA), Rep. Joaquin Castro (D-TX) and Rep. G.K. Butterfield (D-NC) come out of the House Chamber for a news conference on gun control June 22, 2016 on Capitol Hill in Washington, DC. House Democrats are staging a sit-in on the House floor to demand Speaker Rep. Paul Ryan (R-WI) not to recess the House without voting on legislation including the bipartisan "No Fly, No Buy" legislation and a universal background check bill. (Photo by Alex Wong/Getty Images)