A must listen for ones interested in world circus and main puppeteers.
"Just beneath the surface of the global economy, there is a hidden layer of dealmakers for whom war, chaos, and sanctions can be a great business opportunity. Javier Blas and Jack Farchy, the authors of The World for Sale, help us shine a light on the shadowy realm of commodity traders."
https://freakonomics.com/podcast/the-most-powerful-people-youve-never-heard-of/