Sean Spicer seemed to tie marijuana use to opioids. The evidence isn’t on his side.

Spicer’s remarks drew rebukes from a chorus of outraged marijuana advocates. The press secretary “contradicted known science and medical research by tacitly pinning the blame for the country’s heroin problem on marijuana,” the pro-pot magazine High Times wrote. The National Cannabis Industry Association had a similar take. “Science has discredited the idea that marijuana serves as any kind of gateway drug,” executive director Aaron Smith said, “and the addiction and death rates associated with opioids simply do not occur in any way with cannabis.”...
https://www.washingtonpost.com/news/morning-mix/wp/2017/02/24/sean-spicer-seemed-to-tie-marijuana-use-to-opioids-the-evidence-isnt-on-his-side/?utm_term=.c57edc17dc70