Professor Tim Evans of Middlesex University and Gavin Oldham, Chairman of Share plc, reflect upon the Chancellor's Spring Statement. They assess his and the OBR's projections for the economy and ask where the future tax revenue will come from? What will happen to the £30 billion bonanza of fuel duty as we move away from petrol and diesel. Why can be done to address the housing crisis and what impact will the events in Salisbury have on the defence budget. And what might Brexit mean for our public finances.