PETER EVANS,
Sir, - We've always had a lot to learn from science fiction.
In Terry Pratchett's Discworld novel The Last Continent, a stranger asks (on page 353) why the prime minister had to go to prison.
"We put all our politicians in prison as soon as they are elected. Don't you?"
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"Why?"
"It saves time." - Yours, etc.,
PETER EVANS, Percy Place, Dublin 4.