"It's a pity they can't both lose."
Whether or not Henry Kissinger ever said that, someone did.
It is my favourite quotation; I find it endlessly useful.
And it applies perfectly to the battle between, on one side, Douglas Carswell, and on the other, Arron Banks.
I quite liked Banks when he appeared on George Galloway's Sputnik last month. But he has since gone all Hillsborough.
Clacton has been both Conservative and Labour in the present century. A split UKIP vote could send it in any direction at all.