Michael Brenner examines European efforts--and American responses--to reduced defense dependency in a post-Cold War world. Unresolved questions abound: institutional form, political direction, resources, and--above all--uncertainty about the place of the United States in security arrangements for and with a new Europe. As he makes clear, the culture of transatlantic security dependency casts a shadow over the ongoing project of reequilibrating the Euro-American alliance. U.S. prestige and power weigh all the heavier because of American ambivalence in coming to terms with its allies'...