Sir David Butler (@SirDavidButler) header
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Veteran psephologist. BBC Election Night broadcaster 1950 - 1979, then radio and press to 2010. Pioneer of swingometer and swing theory. Author of 30+ books.

Oxford, England
Joined May 2017
Photo by Sir David Butler (@SirDavidButler)Photo by Sir David Butler (@SirDavidButler)
Sir David Butler retweeted
**In the betting markets Jeremy Corbyn is now favourite to be the next Prime Minister of Britain**
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