Polls show a slight weakening in Tory support. This reflects my own anecdotal experience. Factors suggested include Conservative sternness about the state of the public finances and some Labour success in linking David Cameron on class grounds with the greed of bankers. I suspect there is a bit of truth in these explanations, but the refusal of the referendum on the Lisbon Treaty is much more important. This is not only because a great many potential Tory voters feel strongly about Europe, and may now incline to Ukip, but also because the refusal goes against one of Mr Cameron’s greatest strengths. As an individual and in policy approach, he has the ability to identify with what economists call the consumer rather than the producer interest. When he talks about the Health Service, for example, he speaks as one who has used it in many a dark hour, rather than as an administrator.
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