Representative Jerrold Nadler (D-NY)speaks with supporters after a sit-in over gun-control laws with other House Democrats on Capitol Hill in Washington, DC on June 23. 2016. Democratic lawmakers pushing for tougher US gun control laws after the Orlando nightclub massacre ended a stunning 24-hour sit-in at Congress. / AFP PHOTO / Andrew CABALLERO-REYNOLDSANDREW CABALLERO-REYNOLDS/AFP/Getty Images