‘Never interrupt your enemy,’ said Napoleon, ‘when he is making a mistake.’ A Russian invasion and occupation of Ukraine would prove (perhaps, by the time this Spectator is published, ‘will’ prove) a terrible mistake. Were it not for the death and despoliation such a mistake would bring — an outcome one could never welcome — the response to Vladimir Putin’s implicit threats should surely be: bring it on! When we told Russia they’d only be hurting themselves, did we not mean it?

For the free world, an invasion would be a dark cloud; but, though I hate to speak of silver...