Tory strategists could be forgiven for worrying that after three years of little or no growth and a £120 billion spending black hole this year alone, Dave and George’s reliance on blaming Britain’s economic slump on the last Labour government might be wearing thin with voters. Apparently not.

A study by media agency OMD of over 2,000 adults from across the UK has found that 53% still blame the previous Labour government for Britain’s ongoing economic problems, compared with just 39% blaming the coalition. 39% say Gordon is the main culprit, with just 27% fingering Cameron and 23% Osborne. Numbers Downing Street will be clinging onto…