James Johnston: where are the economists with vision to end the world’s dangerous drift?

LONDON, ENGLAND - FEBRUARY 24:  A detail of the holographic foiling on a £20 banknote, featuring a profile of the economist Adam Smith, on February 24, 2016 in London, England. The next range of banknotes will be printed on polymer. The new £5 note will be issued in September 2016 and will feature Sir Winston Churchill, the £10 note will be issued in 2017 and the £20 note by 2020.  (Photo by Jim Dyson/Getty Images)
LONDON, ENGLAND - FEBRUARY 24: A detail of the holographic foiling on a £20 banknote, featuring a profile of the economist Adam Smith, on February 24, 2016 in London, England. The next range of banknotes will be printed on polymer. The new £5 note will be issued in September 2016 and will feature Sir Winston Churchill, the £10 note will be issued in 2017 and the £20 note by 2020. (Photo by Jim Dyson/Getty Images)

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