You've got to hand it to Liz Truss. It is customary for prime ministers to spend their retirement wasting into tragic figures. - Sherelle Jacobs

Indeed, if Boris Johnson does the only thing he can feasibly do and resign, the big risk is that the Conservatives will tip back into civil war.

The question is why Brexit has spectacularly failed. Of course, the conventional Remainer wisdom is that it was doomed from the start. But this neglects the elephant in the room: as it turns out, Britain is terrified of freedom.

It is time for the Leave camp to start saying the unsayable: the Tories have made such a hash of Brexit that the project is probably now unsalvageable.