Angela Merkel has the shakes. Emmanuel Macron has the collywobbles. And still Europe has no idea who will be in charge as it contemplates a stormy autumn strewn with political booby traps. In Britain, the Brexit deadline of 31 October is the only date that matters. But the EU, fragmented, disputatious and wounded to an extent unusual even by its fractious standards, is taking one day at a time.

Sunday’s special summit is a case in point. It was convened by an exasperated Donald Tusk, the outgoing European council president, after this month’s regular heads-of-government meeting failed to agree on his successor or who will fill other key posts, including European commission president and president of the European central bank. Now they are having another try.