Hollywood has long been addicted to a good marijuana joke. And now that pot is legal for recreational use in nine states (with more on the horizon), some celebrities are laughing all the way to the bank.

And who better than Tommy Chong to be one of the first so-called "ganjapreneurs"?

It's a natural fit given he gladly let his career go "up in smoke." He and his partner Cheech Marin practically invented the stoner comedy.

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Ben Tracy ~ CBSNews.com ~