Now look, he says, at marijuana. “There’s no significant evidence showing marijuana is problematic in that way. In fact the evidence suggests marijuana tends to reduce risk-taking behavior and makes people less likely to become violent. It’s less harmful to the body and it’s less harmful to society.
Compare this assessment regarding marijuana by Mason Tvert to Diadiun column in PD on 2/15/2019. The statements are contradictory and both cannot possibly be true.