schizophrenia. >> that is the medical -- >> well, because that's based on doing studies and exnumber of schizophrenics smoked marijuana, okay, great. we don't even know what causes schizophrenia in people who never smoke marijuana. we don't know what skits frienda is, about. >> i have done two brain series so we have looked into that. >> yeah. it's a tough. >> they're making some serious progress. >> they are. and as soon as they figure out what calls it then they can figure out if marijuana contributes to it. but does alcohol does cigarettes, i don't know. we just felt like as i think the way we put it, there are reasonable concerns, there are reasonable arguments. we don't think young children should smoke pot. we don't think adolescents, middle schoolkids should smoke pot. but that's up to their parents. >> go you did -- did you go around the table and say how many of you smoke pot. >> i did not. that felt a little intrusive. i bet, i know these people really enough and i can probably tell you, i can probably tell you. >> raise your hand -- >> yeah, my answer to that question. >> i was on the cbs s