EU referendum: Do pollsters have a clue what's going on?

Depending on which polls you look at, Britain is either scoffing at the idea of leaving the EU or it is marching swiftly towards the sign marked 'exit'.

A recent telephone poll gave Remain an eight point lead; an online poll, meanwhile, gave it to Leave by four points.

The problem is that both polls were done by the same polling company.

Giles Dilnot finds out what is going on.