New Delhi, April 10 -- In the build-up to the 2019 general elections, the Bharatiya Janata Party's most potent campaign plank was to pose a direct question: "Modi versus who?" Now the coronavirus disease (Covid-19) may have redefined notions of "national" leadership: It is the chief ministers (CMs) who are at the frontline of the battle. In a sense, the crisis is a reminder that real power and responsibility does not vest in Delhi, but in the state capitals. A Modi-centric political universe is being finally forced to acknowledge the existence of a diverse range of regional leaders....