It is amusing to hear U.S. politicians of all ideological stripes sounding like classic libertarians as they proclaim that, in these times of fiscal austerity, the United States should no longer act as the "world's policeman" and that other countries should be contributing "their fair share" to global security. Nevertheless, the many studies undertaken by the fellows of the Cato Institute, a libertarian think tank, detailing how the United States can shift to becoming an "offshore balancer," thereby reducing its footprint around the world, and how our European and East Asian allies can afford to do more in the service of their own defense, continue to gather dust on the shelves, with no sign that either the Congress or the executive branch is really interested in implementing them.

The gap between rhetoric and reality could soon lead to an untenable situation. As Stephen Glain puts it, "The commitment to project force across every strategic waterway, air corridor and land bridge has exhausted the U.S. military and will be even harder to sustain as budget cuts force strategists and logisticians to do more with less. A national discussion about the logic of maintaining huge forward bases, to say nothing of their financial and human costs, is long overdue." ...