One of my favorite military historians makes some interesting points in one of his latest rants:
The nature of American military power in our age is defined by how it is constrained — through nuclear deterrence, political realities, and cost/benefit analysis. How does the United States employ its overwhelming military superiority to achieve political aims, especially when even friends and neutrals often wish us to stumble — if for no other reason than to see the world’s sole superpower occasionally humbled?