Inside the weird and wild crusade for clean pot

3/1/18–Figuring out what the rules should be to prevent impurities from contaminating pot is nearly impossible. There are no national standards like there are for food crops. “And unfortunately, pretty much all of the marijuana in the United States is drenched in harmful chemicals,” according to Rolling Stone reporter Amanda Chicago Lewis. “But let’s just say that if you like pot, you have absolutely exposed yourself to chemicals that can damage your central nervous system, mess with your hormones and give you cancer. Read