I posted this in the parent but will repeat it here as it is relevant to your question. http://www.cnn.com/2016/03/23/politics/john-ehrlichman-richard-nixon-dr

I posted this in the parent but will repeat it here as it is relevant to your question. http://www.cnn.com/2016/03/23/politics/john-ehrlichman-richard-nixon-drug-war-blacks-hippie/ http://www.cnn.com/2016/03/23/politics/john-ehrlichman-richa... If we look at this prohibition as an initiative not for reducing drug use but an initiative for policing people, I would say that it does work as intended.