Thank you for your response. 
Quote the article:

"One-half of the dream is coming true. In the first two states to go legal, arrests for marijuana possession have dropped dramatically—by 98 percent in Washington and 95 percent in Colorado as of last year—and high taxes in both states are generating tens of millions of dollars a year for education and public health. At the same time, legal markets in Washington and Colorado along with loosening medical-marijuana laws around the country have together exerted enough downward pressure on street prices that Central American cartels have reportedly begun to shift production away from marijuana, toward more profitable drugs like heroin."

Legalize heroin, shut them down.  

I used to feel as you do, over the years I've come to feel that Saudi Arabia outlawing alcohol and us outlawing heroin are the same limitations of freedom. 
Please check out the book, it was a week long punch in the gut for me. 

Regards. 
Milo