"Enough has already been said and written about a book bought by many, read by few and understood by even fewer (Piketty (2014). I am guilty on all three charges.
"I suspect never, in the field of human endeavour, has so simple a line chart done so much to fuel the debate among so many, not just in the salons of Paris but in the Starbucks of London and New York.
"Suffice to say, the inequality issue seems unlikely to be a French fashion. It is a global public policy trend and a rising one."