This is a good, very in-depth article talking about how there are a lot of people pushing the envelope right now, in regards to medical marijuana.  There were so many people geared up for Measure 74 (the dispensary initiative) to pass, and now they’re moving forward anyway opening dispensaries and clubs.  The article has good interviews with several high profile medical marijuana activists.

Check out the article;

http://www.wweek.com/portland/article-16397-weed_the_people.html