Global cities all over the world are taking on new roles as they increasingly participate directly and independently in international affairs and global politics. So far, surprisingly few studies have analyzed the role of the Global City beyond its already well explicated role in the globalized economy. How is it that local governments of Global Cities claim international political authority and develop what appears to be their own independent foreign and security policies despite the fact that such policy areas have traditionally been considered to be the core function of nation-states...