In my dual role of National Security Adviser and Secretary of State, my constant nightmare as Watergate accelerated was that, sooner or later, some f… - Henry Kissinger

Since the time America entered the arena of world politics in 1917, it has been so preponderant in strength and so convinced of the rightness of its ideals that this century's major international agreements have been embodiments of American values — from the League of Nations and the Kellogg-Briand Pact to the United Nations Charter and the Helsinki Final Act. The collapse of Soviet communism marked the intellectual vindication of American ideals and, ironically, brought America face to face with the kind of world it had been seeking to escape throughout its history. In the emerging international order, nationalism has gained a new lease on life. Nations have pursued self-interest more frequently than high-minded principle, and have competed more than they have cooperated. There is little evidence to suggest that this age-old mode of behavior has changed, or that it is likely to change in the decades ahead.

The superpowers often behave like two heavily armed blind men feeling their way around a room, each believing himself in mortal peril from the other, whom he assumes to have perfect vision. Each side should know that frequently uncertainty, compromise, and incoherence are the essence of policymaking. Yet each tends to ascribe to the other a consistency, foresight, and coherence that its own experience belies. Of course, over time, even two armed blind men can do enormous damage to each other, not to speak of the room.

In recent decades, Europe has retreated to the conduct of soft power. But besieged as it is on almost all frontiers by upheavals and migration, Europe, including Britain, can avoid turning into a victim of circumstance only by assuming a more active role.