by Marie DHUMIERES / Joseph Schmid Agence France-Presse PARIS, France – French police fired tear gas to break up a picket line of striking prison guards at Europe’s biggest prison on Friday, as a fresh assault by inmates on staff at a facility in Corsica fuelled demands for better security. The scuffles at the huge Fleury-Merogis prison just south of Paris came as unions were pressing a fourth day of strikes across France sparked by a string of […]