Acting alone in a world that's alive in political stirring is to condemn oneself to isolation and probably protracted warfare of the kind that can be dissipating.

To put it in a terminology that hearkens back to the more brutal age of ancient empires, the three grand imperatives of imperial geo-strategy are to prevent collusion and maintain security dependence among the vassals, to keep tributaries pliant and protected, and to keep the barbarians from coming together.

Russia can be either an empire or a democracy, but it cannot be both. . . . Without Ukraine, Russia ceases to be an empire, but with Ukraine suborned and then subordinated, Russia automatically becomes an empire.

Global stability - economic as well as political - is at risk.

America is now the only global superpower, and Eurasia is the globe's central arena. Hence, what happens to the distribution of power on the Eurasian continent will be of decisive importance to America's global primacy and to America's historical legacy.

The United States can certainly defeat North Vietnam, but the United States cannot defeat a guerrilla war which is being raged from a sanctuary through a pattern of penetration, intervention, evasion, which is very difficult for a technologically advanced country like the United States to combat.

Acting alone in a world that's alive in political stirring is to condemn oneself to isolation and probably protracted warfare of the kind that can be dissipating.