Michael A. Cohen. Dissent, Fall 2009.
http://spi.typepad.com/files/arms-for-the-world.pdf

Excerpt:

… the defining characteristic of U.S. foreign policy and national security policy in the post–cold-war era is the extent to which America’s foreign policy agenda is being crafted and implemented by the military. …Whether it’s waging the war on terror or the war on drugs; nation-building in post-conflict environments; development, democracy promotion, or diplomacy; fighting cyber-criminals or training foreign armies, the global face of the United States today is generally that of a soldier.