When, back in 2001, economists at Goldman Sachs bracketed Brazil with Russia, India and China as the economies that would come to dominate the world, there was much sniping about the B in the BRIC acronym. Brazil? A country with a growth rate as skimpy as its swimsuits, prey to any financial crisis that was around, a place of chronic political instability, whose infinite capacity to squander its obvious potential was as legendary as its talent for football and carnivals, did not seem to belong with those emerging titans.