By ELLIOTT ABRAMS, Weekly Standard

The recent campus rioting against unpopular or conservative political views is awful, but I have discovered the solution—by accident.

We have all seen numerous campuses riven by violence and a refusal to permit speech that does not comport with the current lefty line. This has happened recently at Middlebury, the Claremont Colleges, and of course—and most violently—Berkeley, which remains mired in a dispute over letting Ann Coulter speak...

But I have seen the future and it works. I spoke at Berkeley on April 20—which turns out, unbeknown to me, to be famous as "420." For reasons that are hotly disputed, 420 is now code for marijuana. Each April 20, pot smokers on campuses across the land gather to celebrate. Wikipedia, which is never wrong about such subjects, tells us that "April 20 has become an international counterculture holiday, where people gather to celebrate and consume cannabis."

Weed Day was certainly a big deal at Berkeley. As I walked across the campus to the lecture hall where I was to speak, I crossed a vast field of pot smokers. You could get high just by walking through the crowd, and a smoky haze hung over the happy students. Of course no one showed up to riot!

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