dr. nadelmann. i want to ask the first question, and that is why marijuana?n argument is often posed against the legalization of marijuana is that it's a gateway drug. however, it seems unequivocal to most people that alcohol is even more of a gateway drug. why then is alcohol and should alcohol be tolerated and marijuana should not? not only is alcohol is tolerated but welcomed into most social settings even political fundraisers, advocacy campaigns. why marijuana? >> let me first of all say it's interesting the sheet that i passed out to you indicates at the same time that marijuana use by teenagers is increasing, actually alcohol use -- underage alcohol use has been decreasing. one of the other studies that i brought with me here is one that has recently come out, about the correlation to adolescent marijuana use and early onset of psychosis. that is not the case with alcohol. i think more research needs to be done but based on -- if you read through the materials that i supplied of the doctor from the harvard medical school, i think you'll find that she p