Peter Kellner of YouGov has an excellent piece in the Sunday Times looking at polling in marginals Before Clegg (BC) and After the Debate (AD). It overturns another big election assumption: that the Tories will perform better in marginals.
He uses a combined sample of 10,000 from past YouGov polls to examine the 115 Lab-Con marginals that should turn blue with a swing of eight per cent. Read more


Jim Pickard
Kiran Stacey