At least 80% of all audio calls, not just metadata, are recorded and stored in the US, says whistleblower William Binney – that's a 'totalitarian mentality'. Antony Loewenstein  theguardian.com  Thursday 10 July 2014 William Binney testifies before a German inquiry into surveillance. Photograph: Getty Images William Binney is one of the highest-level whistleblowers to ever emerge from More