dr. nathan respond.ative to mental illness is that spot causes mental illness or exacerbates folks who are already afflicted. >> so it can certainly cause temporary psychotic episodes, paranoia, i think the evidence is quite strong and the national academy of medicine report from 2017 said cannabis use raises the risk of developing schizophrenia the higher the use the higher the risk. >> that to me is very clear language. there are people on the advocacy side. dr. nathan may be one of them who say that hasn't been proven yet. i think it has been proven enough, it is something we need to warn people about. >> dr. nathan, will you respond first to the argument relative to violence, then to the argument pertaining to mental health? >> sure. it's pretty clear that what alex is saying is simply not supported by science. there is not the correlation between cannabis and violence. in fact, some studies show the opposite. can you find studies that show there is some linkage? yes. you can also find studies that s

dr. king gave his speech and washington, d.c. now we see in 2019, a native american elder, the omaha elder nathan phillips, drumming and chanting and young white high school students from kentucky, covington high school, the catholic high school, mocking him, sneeeeng. your thoughts on what this means for the future? >> i know w there is a nararrate ththat says we donon't have thel picture e of w what preceded att moment. the issue is what happened in the moment we saw. in that t moment we saw disresespect. we sawaw c communities divided. and we heardrd language that is not appropriate. the matter what instigated it, what we have to focus on is why ththis was t the reactioion. unfortunatelely, this begins at the top. we have a c cmander-in-n-chief o - -- his failed to hatred. that will absolutetely filter dn to the youngest and d most oppressed double members of o or cocommunity. ---- impressionable members of r community. regardleless of why begins, we have to say it ins now. amy: former georgia gubernatorial candidate stacey abrams. i spoke to her in los angeles. she will deliver the response to president trump's state of the uni