'You would not have known there was a deficit'

As the general election campaign builds so will the war over statistics.

Tim Harford, presenter of Radio 4's More or Less programme, is fact-checking the numbers and the Today programme would like listeners to help.

If you spot any rogue numbers, please email [email protected], or send any campaign literature which appears to use ambiguous figures to: More or Less, Room 1210, White City, Wood Lane, London, W12 7TS.