The story of the extraordinary rise to power of the man who runs Saudi Arabia and whose control of oil affects everyone, starting with how he outwitted hundreds of rivals to become crown prince.

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https://www.bbc.com/programmes/m001zprq

Power, oil and a $450m painting - insiders on the rise of Saudi's Crown Prince

https://www.bbc.com/news/articles/c4gz8934wrro.amp