Time Magazine: Americans don’t like to lose wars–which makes sense, since we have so little practice with it. Of course, a lot depends on how you define just what a war is. There are shooting wars–the kind that test our mettle and our patriotism and our resourcefulness and our courage–and those are the kind at which we excel. But other struggles test those qualities too. What else was the Great Depression or the space race or the construction of the railroads or the eradication of polio but a massive, …