Leak inquiry into leaking of letter warning about leaks

In a move that is pure Yes Minister, the Cabinet Secretary has ordered a leak inquiry into the leak of a letter he wrote warning civil servants not to leak and threatening those who are caught leaking with the sack. The letter was written by Sir Jeremy Heywood, who is dubbed "Sir Cover-Up" over his reputation for Whitehall secrecy and is the current holder of the post held by the fictional Sir Humphrey Appleby in the TV comedy. Now, asked whether an inquiry would be launched into the unauth