Macro-commentator, author, and PhD in Cosmology (not kidding), Bob Swarup, explains how the US built an economic empire around the dollar, how the last imperial era ended in two World Wars, and how the current trend of deglobalization could land us back in the same spot.

Bob's book "Money Mania: Booms, Panics, and Busts from Ancient Rome to the Great Meltdown" can be purchased here: https://www.amazon.com/Money-Mania-Panics-Ancient-Meltdown/dp/1608198413