Not quite. All they did was reverse the flow in the drug pipeline.
"A lot of the marijuana the cartels are smuggling into Mexico is coming out of Colorado, Payne told U.S. News."
http://www.businessinsider.com/dea-cartels-are-now-smuggling-us-weed-into-mexico-to-sell-2014-12#ixzz3P08qMiPl
America is on it's way to becoming a marijuana provider to other countries. The Great Satan in action.
Had not seen that but it makes perfect sense.
Agriculture is one area that the US competes very successfully with anybody in the world.
Maybe prohibition creates more problems than it solves. Just a thought.