As a former chairman of the Public Accounts Committee, David Davis was always likely to want to contribute from the self-imposed freedom of the backbenches to the debate about how to get the public finances under control.
And today, through an article in the FT, the former shadow home secretary addresses the question of where the Government - and therefore a future Conservative government - could find savings.
Firstly, he tackles the Labour language of "Tory cuts" head on:
"The choice we face is not between Labour growth in public services and Tory “cuts”. It is between taking a grip of the public finances and watching our people’s economic prospects, and our ability to afford decent public services, slowly dribble away."
Mr Davis goes on to suggest some of the ways in which he would find savings; several, such as abolition of ID cards and abolition of regional government, are already party policy - but others are not and therefore act as a useful contribution to the debate on the issue of how to tighten the nation's belt: