Boris Johnson has confounded his critics, says Matthew d’Ancona. The contest will go to the wire, but our man has proved himself to be both shrewd enough and serious enough to take charge ‘Ladies and gentlemen, please welcome the next Mayor of London...’ A January dinner at the Dorchester in honour of Boris Johnson, and it falls to me, as one of the hosts, to introduce the Tory candidate. I look across the room at the high-rollers, hacks, friends and acquaintances who have come along to toast the candidate and, in some cases, to see if he is for real.

If you take that excellent map showing negative equity ‘hot-spots’ produced by George Bridges for The Spectator a couple of weeks back, and overlay it across a map of cancer ‘hot-spots’ for the UK, you will find that those baleful dark areas, the bad places on each map, tally almost exactly. You might have expected as much: falling house prices cause cancer. Or maybe cancer causes house prices to fall — one of the two.