Never hold a referendum unless you can be sure of the result. Musk has broken the Cameron rule, and leaves himself exposed and looking foolish. It may mean we’ve passed Peak Musk, and the bubble around his extraordinary assent has burst. And, as Nurses stage a second strike day, some thoughts from an NHS A&E department.

Twitter looks to be the most chaotic acquisition of all time, but underneath the madness there may be considerable guile, logic and a long term plan. Experience teaches not to underestimate Musk, but trust him considerably less far than he could be thrown! It might just be brilliant.