A future leader will need to confront Brexiters in the same way Blair faced down the hard left over clause 4.

"The sheer scale of the lunacy is difficult to fully comprehend. What you are seeing, more or less in real time, is a nation turn into the clown car model of itself."

So here's a story about how Jacob Rees-Mogg's nonsense can travel halfway around the world before the fact-checkers have got their boots on.

The content of Theresa May's defeats over the last couple of days isn't particularly meaningful, but the fact they happened at all suggests that parliament's guerrilla war against the government has started. And it seems to be winning.

In truth, the Buzzfeed leak doesn't tell us anything we didn't already know. It's a bit less severe than the Treasury analysis from before the referendum, but it's playing in the same sandpit. It's broadly in line, if a little more moderate, than most of the analysis conducted before and after the referendum.