There was a time when people smoked weed, and weed was just weed. It was not easy for everyone to find it, and at most, it could be classified as "good" or "shit.” Knowing its origin and other physical and chemical characteristics was a luxury that very few could afford....

You know the story, more or less. And if you don't, the video below sums it up masterfully. If you prefer, this this article from Time magazine tells the story in (almost) 420 words. But, if you want to go back to the origins, here are the Waldos, the group of teenagers (now quite grown...