An article by the CIA Director: Espionage is an integral part of the art of government. Foreign Affairs magazine published a long article by CIA Director William Burns in which he talks about the function of intelligence, its development, and what it should be in the current era.
Burns: The decisive test for espionage is successful prediction. He predicted that Putin would again engage in nuclear saber-rattling, saying it would be foolish for Ukraine to completely dismiss escalatory risks. The key to success is continued aid to Ukraine, Burns said.