jeffery galinkin says cannabis should not be legal for people under 25, as their brains aren't yet mature, and that panic attacks and psychoses could result. but he couldn't keep his son from using cannabis, with tragic consequences. jeffrey galinkin: he got into trouble with suicide. marijuana started to contribute to his declining mental health. and so that's made me, i think, even more passionate about trying to keep marijuana out of the hands of younger people, and trying to educate kids about the danger of marijuana. reporter: but right now arguments like that are falling on deaf ears here. more and more states are considering legalizing cannabis. kate: armenia's approach to cannabis consumption could not be more different. there, prison is the punishment dealt out to dealers and their customers alike. even possession of a small amount of the substance is enough to land you in jail. indeed, armenia's approach to minor offenses of all kinds is notoriously draconian, with 25% of prisoners serving time for crimes they haven't even been convicted of committing. as a result, the country's