Your article “Either one thing or the other” (1 February), discussing whether “Germans think in black and white”, is a mystery to me. You say rightly that “national stereotyping is hardly a serious form of argument”, but that is exactly what you did in your article and you illustrated it by your cover picture. I presume that you did not intend to be serious: after all, it is carnival season in Germany. Or it might be a type of British humour which is difficul