If you like that, you might also like the book Expert Political Judgement by Philip Tetlock which uses the Hedgehog and Fox metaphor to analyze people's political judgements.
https://duckduckgo.com/?q=expert+political+judgement
Also, for anyone interested, one of my favourite talks is about a study of political forecasters and their accurancy over the years, seen from this perspective: (the video is paywalled, but the audio is free):
http://longnow.org/seminars/02007/jan/26/why-foxes-are-bette...