“Add £300m to £780m and you get a minimum of £1.08bn of public money either already spent or allocated towards dealing with the Horizon scandal and its fallout. This sum fulfilled a prediction Ron Warmington made to me many years ago – that the Post Office was sitting on a billion pound disaster, it was just too clueless to realise it. The realisation has now set in. Of course, it is taxpayers who are footing the bill.”