China has doubled down on its hard line against any nuclear escalation in Ukraine and called for restraint as Russia claimed that Britain and France were planning to give Kyiv nukes. Asked about Moscow’s accusation towards the two European nations,

Deterring Russia, collecting motherly advice and sending postmortem postcards, through readers’ eyes.

Its deployment dozens of times is a striking example of how the nuclear arms control edifice emerging from the Cold War has crumbled in recent years.