The key to understanding the narrative collapse we all witnessed in real time over the last 9 days: before Biden had the Dem nomination locked down in 2019, the media were far more willing to discuss his apparent fragility. But only until he locked down the nomination.

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In 2019/2020, Biden was relatively more capable than he is now, but he still showed enough glimpses of the coming deterioration to give the media plenty of space to delicately tackle the issue. It was only after it was clear that it was Biden or Trump that the media closed ranks and largely stopped covering Biden’s mental fitness - and the stories they did devote to the subject largely consisted of debunking alleged republican overreach — a safe way to cover Biden’s fitness without actually covering Biden’s fitness.

Google’s Gemini AI invented fake negative reviews about my 2020 book about Google’s left-wing bias. None of these book reviews — which it attributed to @continetti , @semaforben and others —are real. None of these quotes are real. This is Google’s AI blatantly lying in defense of Google🧵 I asked Gemini originally what the book is about - curious to see its answer - and its response included that it’s “important to note” that “The book has been criticized for lacking concrete evidence and relying on anecdotal information.” When I asked who leveled those criticisms, it simply lied.