The more that is learned about the accidental leak of a list of thousands of Afghans who had helped British forces during the war in Afghanistan, the worse it looks. The catastrophic security breach was staggering; the cover-up shameful. As our leader notes, shutting down the basic instruments of democratic scrutiny and accountability sets a terrible precedent.

Elsewhere, we look at evidence suggesting that the benefits of using AI might come at the cost of impaired cognitive performance.

To sharpen up your ChatGPT-numbed faculties, try our quizzes: a new Dateline is available.