Since the cessation of the Cold War, the dynamic of relations between European states has been one of dramatic and continuous change. In the last ten years, an extraordinary sequence of events has unfolded in the ex-Soviet constellation, including EU enlargement, NATO expansion, and Russian opportunism in efforts to fulfill and defend the geostrategic interests of these and other state and non-state actors. Competing Powers: Security in the Wider Black Sea Region, edited by Scott Nicholas Romaniuk, delivers essential reflections on issues of foreign, security, and defense policy, militarism,...