It's time we put to rest the myth that smoking marijuana is a fringe or deviant activity, engaged in only by those on the margins of American society. In reality, marijuana smoking is extremely common, and marijuana is the recreational drug of choice for millions of mainstream, middle class Americans. According to the most recent NIDA data1, between 65 and 71 million Americans have smoked marijuana at some time in their lives, and 10 million are current smokers (have smoked as at least once in the last month). In fact, NIDA (National Institute ....