Espionage: A brief history of covert communication methods
11 min
From Jeff Bezos' phone hack to the poisoning in Salisbury, today's events are great backdrops. Not since the Cold War has there been so much real-life international villainy begging for the Le Carre treatment. In his last column for Bloomberg Opinion, Leonid Bershidsky anticipates what's next for great spy thrillers.