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In the 1960s, if you knew whether or not someone had ever smoked
marijuana, you could make a pretty intelligent guess about his or her political views. These days, marijuana isn't quite as
potent a symbol of the cultural divide; still, for a big green bush, marijuana remains mighty controversial. Much of the recent
controversy has surrounded laws passed in 1996 by voters in California and Arizona legalizing marijuana for certain medical
conditions. But if you go back only a hundred years, and look at the public's attitude toward the weed back then, the smoke
clears. For the several thousand years humans have been acquainted with marijuana, they have considered it one of the hardiest
and most versatile plants around.
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