Eswatini probably does not register on most people’s mental maps. Its relatively recent name might sound unfamiliar as many people still know it as Swaziland. That it demands attention from pundits like yours truly has much to do with it being the only African country that still formally recognises Taiwan. It is also the continent’s only absolute monarchy. The two facts are closely connected. Recognising Taipei makes little sense when every one of eSwatini’s neighbours recognises Beijing, but it...