A new power equation at the top appears to have been implicitly worked out to run UPA-2 for the rest of its term. The earlier structure — where Sonia Gandhi ran the party and its politico-economic agenda while Manmohan Singh handled the humdrum day-to-day affairs of the government — has simply not worked. From the outside, it seems clear that the recent changes in the Prime Minister’s Office (PMO) after the arrival of Principal Secretary Pulok Chatterji are meant to achieve three objectives deemed important by Sonia...