Wellstead Publishes Article Reviewing Paul Sabatier’s Policy Sciences Paper on Advocacy Coalition Framework Published November 16, 2017 By In Print News Adam Wellstead Adam Wellstead published “Plus ça Change, Plus C’est La Meˆme Chose?,” a review of Paul Sabatier’s ‘‘An Advocacy Coalition Framework of Policy Change and the Role of Policy-oriented Learning Therein’’ in Policy Sciences.