This might interest you if you're following Washington's (and Colorado's) new marijuana laws.
A broader lesson is that lawyers and legal scholars can find many useful policy pieces in non-legal journals.
For example, the New England Journal of Medicine has been covering the implementation of the Affordable Care Act, as well as other topics. You can sign up to get NEJM tables of contents in your email, and UW users have access to the full text.
For more on research health law and policy, see our Health & Medicine guides.