Vietnam represented the first time America had lost a war--a war that had divided the country, inflicted traumatizing casualties, and wrecked America's army. A sense of defeat, disillusion, futility, and revulsion for foreign wars lingered. Most Americans came to believe that Vietnam was a war America should have avoided yet could have won, but for constraints on the military. But now, this view is being challenged. To learn more, read on in this article, made available by The World & I Online.