Welcome back to The Week in Weed, your Friday look at what’s happening in the world of legalized marijuana.

You would have been hard pressed, just a few years ago, to find investments outside of family-office groups. Then Washington and Colorado legalized.

 

In a move that may encourage Pennsylvania doctors to get certified to recommend medical marijuana, the state’s Department of Health has established a physician working group to help implement its new MMJ law.

 

About half of registered Massachusetts voters oppose a ballot proposal to legalize marijuana for people 21 years of age and older, according to a new poll.

 

And finally, because we’d be “Crazy” not to include this link:

Willie Nelson’s much-hyped marijuana brand Willie’s Reserve will debut in Washington state pot shops this month and in Colorado marijuana stores in August, Nelson’s team told The Cannabist exclusively.