While also applauding the move, it has to be said that it is not much of a sacrifice from his point of view - he is making money out there hand over fist on the basis of having been a high profile "public servant"......
Time will tell as to what the book will actually be like, will it simply be a defence of his actions, or a more in depth review, both the good and bad, of his time in office.
Edited for poor spelling!