Nowadays political memoirs roll off the presses in a continuous stream. Are they big money-spinners for out-of-work politicians; front-page fodder for the Sunday supplements; valuable material for contemporary historians: or, as Harold Wilson said recently, ' What you write in your dotage '?
These are some of the questions Robert McKenzie discusses with Lord Butler of Saffron Walden Rt Hon Roy Jenkins , mp and A. J. P. Taylor
Produced by ANNE DUNCAN-JONES (Memoirship: page 5)