One message sent to DNC Finance Director Jordon Kaplan shows that the alcohol industry is spending money to get members of Congress to pay attention to marijuana-impaired driving.
Read more http://www.marijuana.com/blog/news/2016/07/alcohol-industry-tells-congress-to-worry-about-marijuana/
http://thefreethoughtproject.com/wikilieaks-marijuana-alcohol-lobby/
When a plant can do as many things effectively as Marijuana, then it must be suppressed by drug and Alcohol collectives. Both of those industries rely on production work to make the product. Grains must be grown and processed, hops must be grown, water sourced, training to make it properly. Cannibas is much cheaper solution with less processing, which is why the powers that be, The Oligarchs that run this country will fight it tooth and nail.