The Dollar's Historical Role and Emerging Alternatives

 The world runs on dollars. It's the most commonly used currency in international transactions, an important reserve for central banks around the world, and a safe haven in troubled times. There are, however, some countries trying to move away from King Dollar, so what effect is it having? Bloomberg's Senior Washington Correspondent Saleha Mohsin wrote a book on the subject, called 'Paper Soldiers'. She joins Stephen Carroll to discuss. 

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