Letter to Hon. Nancy Pelosi, Speaker of the House, Hon. Steny Hoyer, House Majority Leader, Hon. James Clyburn, House Majority Whip, Hon. Jerrold Nadler, Chairman of the House Judiciary Committee, and Hon. Katherine Clark, Assistant Speaker of the House - Reps. Kelly, Casten, Horsford, Levin Urge House Leadership to Advance Gun Violence Prevention Legislation