Former spy boss says Britain having political nervous breakdown

Britain is having a political nervous breakdown and is taking a huge risk as it prepares to leave the European Union after a divisive referendum, a former senior UK intelligence official said on Saturday.Sir John Sawers, who stepped down as head of Britain's MI6 foreign intelligence service in 2014, told the BBC that with Brexit looming he was concerned about the calibre of Britain's political leaders, both in the ruling Conservative Party and the main opposition Labour Party.