Nearly two-thirds of voters (62 per cent) believe politicians lie "all the time and you can't believe a word they say", a survey suggests today.
Only 24 per cent of the 5,000 people questioned by YouGov believed that Parliament had done a good job in recent years debating issues in a "sensible and considered way".
Peter Kellner, a YouGov pollster, said of the findings: "We are drifting towards a political system in which a combination of modern technology, mendacious journalism and angry voters will undermine representative democracy."
Mr Kellner is due to discuss the survey when he gives the Reuters Institute/BBC David Butler lecture in London this evening.
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