Colorado Marijuana Legalization Discussion With MPP’s Mason Tvert


Mason Tvert of the Marijuana Policy Project -- -- is a guest on MSNBC's "All In With Chris Hayes" to discuss the progress being made in Colorado to create a regulated marijuana market for adults, as well as the emerging legal cannabis industry. Colorado voters approved a ballot initiative in 2012 to legalize marijuana for adults and establish a system in which marijuana is regulated and taxed similarly to alcohol.