Chester – more analysis
After the result in Chester Peter Kellner published a piece which said In all fifteen “big swing” by-elections between 1958 and 2012, the difference between the implied national lead and what actually happened was at least 12 percentage points, and after all but three of the by-elections the drop was more than twenty points. For example, ten years ago, Labour gained Corby on a similar swing to this year’s two comparable by-elections, Wakefield and Chester. But in Corby, Labour’s baseline…