Why do actors in the world of policy do what they do? This remains a quintessential question in public policy scholarship. It is intriguing not only for academics, but also for a public often puzzled by trying to understand the “why” and “how” of government action as well as inaction. Policy learning scholarship tries to answer this question by investigating why policy actors do what they do as a function of what and how they learn about policy issues. In this view of the world, learning is u..