Henry Kissinger  poses with Fürth president Helmut Hack (left) and businessman  Peter M Endres before  the Bundesliga match between SpVgg Greuther Fürth and  Schalke 04 in September 2012. Photograph:  Getty Images

The scene was Zavidovo, the Politburo’s favourite retreat, on a May morning in 1973. A few weeks before Leonid Brezhnev was due to visit Washington, H(...)