Many people – many nations – can find themselves holding, more or less wittingly, that ‘every stranger is an enemy’. For the most part this conviction lies deep down like some latent infection; it betrays itself only in random, disconnected acts, and does not lie at the base of a system of reason. But when this does come about, when the unspoken dogma becomes the major premiss in a syllogism, then, at the end of the chain, there is the Lager.

