In the face of economic crisis and massive imbalances, the leaders of the world’s large economies, the Group of 20 or G-20, are paralyzed. “The weakness of western leaders is compounded by an abject absence of ideas about how to rescue the world economy,” writes Nayan Chanda, YaleGlobal’s editor, in his regular column for Businessworld. “Equally striking has been the silence of the BRICS – Brazil...