BERLIN: Wonderful Tunnel

Berlin, city of rubble, refugees, and occasional patches of glitter, is an Alfred Hitchcock dream of subterfuge and suspicion. In back streets, darkly mysterious houses lurk behind high wire fences suggestive of darker and more mysterious doings within. Newsmen recently counted 27 separate agencies of Western intelligence known to be at work in Berlin. Their operatives—some fashionably clothed in the grey flannel of New York's Madison Avenue, some with armpit holsters bulging under blue serge—report to different headquarters, and rarely know what their colleagues are up to.

In all Berlin there is no...