Tactical nuclear weapons were designed to be used on the battlefield rather than for strategic defense, but that doesn’t mean there’s a plausible case for using them.
Nuclear war would trigger a global food crisis lasting at least a decade, in which hundreds of millions or more would be likely to starve.
Nuclear threats are serious – but officials, the media and the public keep a close eye on them. There’s less attention to the dangers of cyberattacks, which could cripple key utilities.
The way that the EU dealt with its CETA trade deal with Canada makes it clear to Britain that negotiating a free trade agreement will be very long and difficult.