Berlin’s curious status was thus a standing embarrassment and public-relations disaster for East Germany’s Communist regime. As the Soviet Ambassador to the GDR tactfully advised Moscow in December 1959: ‘The presence in Berlin of an open and, to speak to the point, uncontrolled border between the socialist and the capitalist worlds unwittingly prompts the population to make a comparison between both parts of the city, which, unfortunately, does not always turn out in favour of Democratic Berlin.’ The situation in Berlin had its uses for Moscow, of course, as for others—the