Qui est Charlie? Sociologie d’une crise religieuse by Emmanuel Todd Éditions de Seuil, 2015, 252 pages, €18   On hearing of the massacre of eleven journalists at Charlie Hebdo, I thought of Karl Kraus’s magnificently laconic words: “When it comes to Hitler, I can’t think of anything to say.” Kraus, who wrote thousands of pages and was as articulate as any man who ever lived, thus expressed a disgust that lay too deep for words, that was quite literally fathomless. To write or say something about Hitler was to accord him more dignity than he and his so-called ideas merited.…