So visible is the impotence of the EU in knowing what to do about the ever rising flood of refugees that the media are spoiled for choice in knowing what detail to pick on next. That some of those 800,000 asylum-seekers Angela Merkel wants to welcome to Germany are being “housed in the former Dachau concentration camp” was irresistible, although they are not living in the death camp itself but only in an adjacent barracks.