Once upon a time the United States of America was confident that it, shielded by broad oceans to the East and West and having friendly countries that it dominated economically and militarily to the North and South, was safe from any threat by any foreign nation or even any combination of nations. Washington was confident that it could defeat any adversary in conventional warfare and, if push came to shove, its nuclear weapon capability gave it a unique and decisive edge that no enemy would...





















