By Martin Robinson PUBLISHED: 06:19 EST, 28 September 2012 | UPDATED: 09:26 EST, 28 September 2012 Whoops: Boris said that the PM got his Letterman question wrong to look less clever before making a glaring error himself Boris Johnson today accused David Cameron of pretending not to know what Magna Carta meant before embarrassingly getting an easy question wrong himself. The London Mayor said the Prime Minister was trying to hide how clever he was just before he failed to name who scored a hat-trick for England in the 1966 World Cup final. Mr Johnson should have answered Geoff Hurst, but was miles off when he said it was centre back and captain Bobby Moore.
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The Mayor of London answered Bobby Moore then blamed his age for getting it wrong
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He also said David Cameron got answers incorrect to make himself look less clever
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