Nicolas Sarkozy "laughed uncontrollably" when told Dominique Strauss-Kahn had been caught partaking in an orgy with prostitutes but swore his aides to silence and went on to name him IMF head, a new book claims. Les Strauss-Kahn, written by Raphaëlle Bacqué and Ariane Chemin, journalists at Le Monde, provides fresh details about Mr Sarkozy’s knowledge of Mr Strauss-Kahn’s sexual practices, his proximity to the Socialist and decision to protect his reputation. Mr Sarkozy was interior minister late in 2006 – a few months before his election to the presidency – when Alain Gardère, the public security chief of Paris, told...