The Stasi files, which in total occupy 111km of shelf space. Despite the open-file approach, the Stasi files remain a specialist interest.

Stack up the files left behind by East Germany’s feared secret police – the Stasi – and you could fill the road from Newry to Dublin. A quarter(...)

German president Joachim Gauck expressed concerns that foreign intelligence services flouted German citizens’ constitutional right of ownership over their private data. Photograph: Thomas Peter/Reuters

German president Joachim Gauck has warned that widespread US surveillance of European communications poses a “danger for democracy”.Revelations by NSA(...)