conventional forms of war. america's leadership in nato, supported by britain, must be the central element around which the alliance is built. but alongside this continued commitment i am also clear that eu nations must similarly step up to ensure this institution that provides the cornerstone of the west's defense continues to be as effective as it can be. yet the most important institution is and should always be the nation-state. strong nations form strong institutions, and they form the basis of the international partnerships and cooperation that bring stability to our world. nations, accountable to their populations. deriving, as the declaration of independence puts it, their just powers from the consent of the