In the UK as the Brexit deadlines loom large we see the party political questions seemingly drowning out rational economic calculation.
Boris Johnson want to replace Theresa May. So does Jeremy Corbyn. The DUP say a border in the Irish Sea is a red line and they will remove support for May's government if she 'concedes' on this issue. The temperature in short is rising rapidly.
Does this mean that politics are now in the ascendancy and rational economic calculations must take a back seat? Or is this just surface noise? I wonder...