Rebecca Coulson: What makes undecided voters decide – and are they really undecided in the first place?

I’m one of 20 per cent who have not made their mind up about how to vote in the EU referendum.

Lord Ashcroft: The renegotiation was meant to build support for Remain – it may have done the opposite

Cameron has been in his element in recent days, but the manoeuvering in Brussels has highlighted the risks of remaining.

Lord Ashcroft: My polling in Europe suggests that Cameron could have won more had he pushed harder

Overall, six in ten respondents throughout the EU said they would prefer the UK to remain a member.

Lord Ashcroft: “If Britain leaves, we’ll be left behind with all these losers” – what the Dutch make of Brexit

For some, a Leave vote in Britain would raise questions about their own country’s position: “If they go, we should leave too”.

Lord Ashcroft: What my research found German and French people think about Britain and the EU

“The Brits would be happier outside. But we don’t want them to leave.”

Lord Ashcroft: My new research into what Poles and Bulgarians make of Britain, the EU and Brexit

A new series of focus groups offers an insight into the view from ‘new Europe’.

Lord Ashcroft: We pollsters have our faults and made mistakes. But we didn’t fiddle the figures.

I can refute the charge of deliberate herding from my own experience.

The return of opinion polling

Newspapers are stuffed with polls about Europe and Corbyn. Have they forgotten the lessons of the general election? Or have things changed?

Iain Dale: Prat. Gaffe. Scoop. And Treacherous Bastard. My End of Year Awards.

Plus: Thank you for the three bottles of vintage wine…but you forgot to enclose a note with your name. Christmas, eh?

Risk

Lord Ashcroft’s new research on the coming EU referendum is a reminder that gut fear will count for more than rational argument.

Lord Ashcroft: Leave to Remain – my new polling on the EU referendum

The British people are closely divided on the issue – and detailed research reveals the issues each campaign will be racing to make their own.

Ten years of Cameron, the Consistent Chameleon

Today is the tenth anniversary of his election as Conservative leader – the most electorally successful one in modern times bar Thatcher.

Our poll. Over two thirds of Party members ready to vote to leave the EU

The number of those who declare themselves likely to vote for Remain falls to a quarter.

Lord Ashcroft: The Unexpected Mandate. My review of the 2015 election and the unusual Parliament that preceded it

The central insight of Smell The Coffee was the critical importance of a party’s brand, the overall way voters see it. This has remained a central theme of my work.

The huge shock coming down the track for the Corbynites

There’s also a shock in store for the armchair cynics who declare that “all the parties are the same”.