Headline: The spread of marijuana legalization, explainedLink: http://www.vox.com/cards/marijuana-legalization/case-for-marijuana-legalizationPublication Date: Wednesday, May 13, 2015Primary Source: VoxNon-Cato Author: German LopezType: new media postFormat: Web Only OutletNature of Mention: citedScholar: CatoResearch Area: Law and Civil LibertiesSubjects: marijuana legalization