It is a mistake to assume that all polling bias is against the Tories
Remember what happened at GE2010 and the last London Mayoral election This week’s polling news is going to be dominated by the publication tomorrow of the inquiry into what went wrong the GE2015 polls when all the firms undershot the Tory share by big margins. Unfortunately I’m at a memorial service tomorrow and won’t be able to attend the big event. In the build up we’ve started seeing some interesting explanations including one which suggests that CON voters are much…