The War on Drugs Hasn't Worked

Many states have legalized weed, in the united states and canada in particular. Where germany goes, europe follows, and ireland follows after that. All around europe, those changes to drug legislation are making a difference. We're going to talk to an academic who has looked at comparative statistics about the legalization of weed preatin colorado, ireland, canada. What's the facts on the ground? What's the state of play? And nw that the germans are about to legalize weed.