 Beaten into a stalemate, Sir Mark and Sir Arnold agree to send the policy back to the Ministry of Transport, and to set up an immediate leak inquiry.It is considered to be a good representation of some of the dynamics operating within the Department of Transport.A research paper published by Parliament in 2010 reflected on the question of how much policy is made by the minister and how much influence the civil service quoting from 'A Bed of Nails'.