Twelve days before the election, Letty Rios was spending her afternoon as she had many times before, and likely would several times again: trekking around another suburban Las Vegas cul de sac, encouraging residents to get out the vote. Wearing the white T-shirt uniform donned by all volunteers for Make the Road Nevada, a progressive advocacy organization, she slipped flyers in the screen doors of empty houses with practiced ease. Rios is an experienced canvasser. She began knocking on doors