Introduction; C.Wight & J.Joseph Reductionism, Emergence, and Explanation in International Relations Theory; D.Leon The International as Emergent: Challenging Old and New Orthodoxies in International Relations Theory; J.Joseph State Theory in International Relations: Why Realism Matters; M.Koivisto Inside the American State: Reconciling Structural and Interpretive Analyses Within a Critical Realist Perspective; D.Porpora What is Realism in International...