Cheryl Stumbo, a survivor of the 2006 Jewish Federation of Greater Seattle shootings, speaks as the campaign for Initiative 594 is officially launched at First United Methodist Church in Seattle. Photographed on Thursday, March 20, 2014. (Joshua Trujillo, seattlepi.com) Initiative 594, the ballot measure to close the “gun show loophole,” enjoys a 2-to-1 lead and surprising strength on both sides of the Cascades, according to a statewide KCTS-9 Washington Poll, set to be unveiled Wednesday night the public TV station.