Voters in Los Angeles County will be asked to approve a sales tax increase by quarter-cent to fight homelessness. So what would Measure H do? How much would it raise? What would it fund? And will it work? Los Angeles County Supervisor Janice Hahn--former Congresswoman, former city councilwoman-- is a major supporter on this measure. She talks with NBC4's Conan Nolan about why she supports it. Hahn says, she has not seen it this bad. She explains how Measure H would work.