MSNBC Live with Tamron Hall 09/21/15

New push against synthetic marijuana

With 2015 being the worst year on record for synthetic marijuana overdoses, there’s a strong push for the federal government to do more to regulate the sale of the drug. Tony Dokoupil, host of ‘Green House’ on Shift at MSNBC.com joins Tamron Hall on NewsNation. ... more Duration: {{video.duration.momentjs}}