Weed debate: should it be legalised? Damian Marley and Dr D’Ambrosio discuss

Weed debate: should it be legalised? Damian Marley and Dr D’Ambrosio discuss

Should weed be legal in the UK? What about health risks? We talk to Damian Marley and Dr Frank D’Ambrosio. (Click to subscribe for more Channel 4 News videos. )