Some people would tell you anything if they thought you’d be scared. — Terry Pratchett

“That’s unfair!” said Daphne.

“No, it’s science,” said her father. “‘Could have’ isn’t good enough. Nor is ‘might have’! ‘Did’ is the trick.”

No one stuck up their hands and there was no voting, but she thought, I wonder if it was like this in ancient Athens? This is pure democracy. People don’t just get a vote; they have a say.

And to save time, shall we pretend we’ve had the argument and I won?