Airports are on my mind, since I’ve just stepped off an on-time early-morning flight from East Midlands to Bergerac – yes, Ryanair, efficient as ever. But what a relief not to be battling through Heathrow, where such anarchy has taken hold that the Civil Aviation Authority and Department for Transport have given chief executive John Holland-Kaye an ‘ultimatum’ to sort it out – after he capped passenger numbers at 100,000 a day, forcing innumerable flight cancellations.