Answer ... Preparation is critical. Parties should integrate their merger control strategy with their assessment of the transaction even before they approach a potential target, if possible, so that they think about how best and most accurately to analyse the transaction and what information and evidence to present to the agencies. Obviously, all interaction with the agencies – whether in writing or lawyer staff, or in face-to-face witness interviews or depositions – must consistently hit the highest level of integrity and accuracy. Helpful facts should be developed and provided, and difficult facts should be addressed, not ignored.