. >> reporter: microdosing is taking an amount of illegal psyche delic drug, stek l lsd or mushrooms. it's basicallyne tenth or a fraction of what would be needed to get a high >> my thought on microdogs is it's a badidea. >> reporter: this retired unc professor. johns hopkins, nyu and other institutions are studying the potential of psychedelic drugs to treat things from obsessive/compulsive disorder to ptsd. >> they can do things at this point that other medications and other treatments't do. >> reporter: one study got break through therapy designation from the food and drug administratior for treatmenistant depression. >> looks like they can treat things that we don't have any treatments now. >> reporter: nichols warns the effects of taking microdoses is unknown. >> there haven't been any long term studies where somebody has taken ae psy delic daily. there might be changes in your y em, your hormone levels. >> reporter: despite states like egon and colorado fighting for legalization, psychedelices substan any amount are illegal. >> reporter: if theca cli trials are successful it's

when you stek back from everything about what the special council said, rudy comes out and you thinkis doing what trump wants, planting doubt and con vufusion in the process. >> that is totally on point. gi defending the president even if sometimes she stepping in it. also another long time confident spoke to me and said you can't fire someone your not paying. rudy juliani -- julianewe is dor free. >> i'm going to move to michael cohen. here is the president earlier today on the news that michael cohen for now said that he doesn't want to testify. >> i would say he has been threatened by the truth. he has only been threatened by the truth and he doesn't want to do that probably for me or other clients. he has other clients also, aassume, and he doesn't want to tell the truth for me or other of his clients. >> it seems to me that michael cohen is sort of the first witness. whatever you want to call it, he will be known as the first one. there is some risk to it with michael cohen. who do you believe? he was known to make his own share of threats to reporters through the years and now

that is a point that stek ut to me in this 24 page indictment in is not alleging that stone did collude, but it is laying out how he tried to. >> i think what we may see here is an effort to collude, as you say, and what is not clear yet is whether or not there is a criminal conspiracy. what is not in this indictment is a serious between stone and people in the trump campaign to somehow impact and defraud the united states, for instance, to complete the russian hacking indictment. >> the white house is saying they have nothing to do with this but the president and the campaign is all over this indictment. >> you're right this white house denied it. sarah sanders said it wasn't true. rudy giuliani said it hasnology to do with the president, that is the line they're drawing, but it must be pointed out that press secretary sanders was asked repeatedly if president trump was that person in the campaign doing the directing, and she declined to answer, she didn't give an answer yes or no, she just wouldn't touch it and the president himself of course tweeted saying this was a government and p