‘I just love Venn diagrams,’ Kamala Harris said in 2022. ‘It’s just something about those three circles, the analysis about where there is the intersection, right?’ Venn diagrams have graduated from school textbooks to a genre of internet meme. After Joe Biden announced he wouldn’t seek a second presidential term, Harris’s team tweeted a picture of some circles, labelled ‘Biden HQ’ and ‘Harris HQ’, overlapping to ‘hold Trump accountable’.
Harris’s love of Venn diagrams might seem odd until you realise that they’re the perfect tool for a politician: they make complex issues look simple. They are often found in educational materials for young children, elucidating similarities and differences between things like animals or fruit. Overlapping circles are a simple way to create logical categorisations: ‘thing A and thing B are the same’, ‘all of A and B are different’, ‘some of A and B are the same’, ‘some of A is not B’ and so on.
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