Here is a link to a website that provides information on the goal to change the US laws related to drug abuse. Drug policy Alliance is the nation's leading organization working to end the war on drugs. The vision is to shape new drug policies based on science, compassion, health and human rights and a just society in which the fears, prejudices and punitive prohibitions of today vanish.  

I am unable to make the link work but the website is

http://www.drugpolicy.org