The spying game
Some of us grew up worrying about reds under the bed, which was perhaps not as foolish as all that if a report on Saturday morning’s Today programme on Radio 4 is to be believed. Amid a cacophony of weird-sounding bleeps and disembodied voices, Gordon Corera, the BBC’s security correspondent (always clear, calm and collected, no matter the brief), told us about the ‘number stations’ that proliferated in the Cold War and are now being brought back to life. Anyone can tune in to them, but only those in the know can understand what they mean, and although the source of the transmissions can be traced it’s impossible to pick