Styes often develop in times of stress. Chatting to a less than jolly David Cameron two weeks ago, Guido noticed the PM had one. It is still there judging from this picture from Brussels.

The endless negotiations, flying perpetually around Europe, having to endure meetings with minor politicians, the certainty of the coming tumult when the dire deal is finalised, the knowledge that the party he leads will begin a bitter battle with Boris breathing down his neck. All political careers end in failure. Cameron hoped to avoid that fate by wisely opting only for two terms after achieving a heroic and historic majority. You have to feel for Dave…