David Brooks: I enjoyed pot, but you shouldn't

The danger of drug use depends on the circumstances. It’s particularly dangerous when the drug is very common. When everybody is using the same mind-altering chemicals, everybody will be making the same mistakes. When a drug is common it’s possible for people to float through college in a semi-conscious haze and make up for that after graduation by getting their ideas from people who were just as stoned.

When a drug is rare, it’s possible for someone to get a unique insight from it. When the drug is common that will be the same insight as everybody else.

Yes. This even applies to caffeine. In 2012, I voted for someone who didn’t use caffeine. I figure somebody has to avoid caffeine—just in case it has some bad effects—and I’m glad the Mormons have volunteered so I don’t have to.