The New York Times recently came clean, saying it was wrong about the effects of legalizing marijuana. The paper had once argued that weed was mostly harmless and not truly addictive, but now admits those old claims don’t hold up today. Back in 2014, an editorial writer claimed marijuana wasn’t addictive like heroin, while also noting that users might still crave it and struggle to quit. The NY Times even admitted that heavy users needed more of the drug over time and some got withdrawal symptoms. This week, the Times’ editorial board finally said, “It is now clear that many...