The former boss of Sainsbury’s, Justin King, warned on the Today programme this morning that Rachel Reeves has damaged the economy through her constant warnings of tax rises to come in October’s budget, causing anxious shoppers to draw in their horns until the big day. But if shoppers really are holding off purchases for fear that the Chancellor will raid their savings or hit them with tax rises there is scant sign of it in the Office for National Statistics’ (ONS) retail sales figures for August. They