I think most Americans believe that although it's better not to use military force if you can avoid it, that the world simply doesn't provide us the luxury of giving away military force as an important tool of foreign policy.
Robert KaganI believe it is still true that conflicts among major powers usually stem from geopolitical rivalries but rarely from economic competition.
Robert KaganIf a caterpillar doesn't know its future has wings, it hardly experiences itself as land-bound.
Robert KaganThe thing that I would say is that U.S. power is not eternal. I am not saying that it won't come to an end. Because it will.
Robert Kagan