On any American street, or in any airport or mall, you see the same sad tableau: A 10-year-old boy is walking with his father, whose development was evidently arrested when he was that age, judging by his clothes. Father and son are dressed identically -- running shoes, T-shirts. And jeans, always jeans. If mother is there, she, too, is draped in denim. Writer Daniel Akst ... Writing in the Wall Street Journal...has denounced denim, summoning Americans to soul-searching and repentance about the plague of that ubiquitous fabric, which is symptomatic of deep disorders in the national psyche. It is, he...