All three PMs did about as well as anyone could in the circumstances, and all three, so far as one can see, are doomed.
A new study by Anthony Seldon of the office of Prime Minister gives too little credit to the many among its 55 holders whom he dismisses as failures.
Churchill saw a century ago that the existing party machines will always prove the stronger, and UKIP and the SDP have confirmed this.
Forget the latest modish productions of the London publishers: these statesmen would be far better off relaxing with Mr Pooter.