UK Prime Minister famously – and rather patronisingly – said that there’s no magic money tree. Actually there is one! I wrote about it in The Economist, no less. Normally, my letters there are about actually important things, such as ‘no, actually anti-malarial bed-nets are really effective‘, or the importance of involving African researchers in research about Africa… but not this one.

And here she is: bonkers, over-grown old dame: