A tweet the other day by a well-known America-based political scientist, Milan Vaishnav, amused me. Associated with the think-tank Carnegie Endowment for International Peace, which has research centres in Beijing, Beirut, Brussels, Moscow, and Washington, he quantified what I had witnessed during my recent US visit: Though he has been called “American Modi” by many in India, Republican presidential aspirant Donald Trump isn’t quite liked by NRI Modi supporters. Impossible to dub him a “left liberal” by any stretch of imagination (he supports market reforms), Vaishnav’s tweet said, “Reminder: Upwards of 80% of Indian-Americans vote Democratic.” That was in response to a story in “The Hindu”, “Indian-Americans for Trump? Only a handful”. Though I haven’t ever met or interacted with Vaishnav except through Twitter, his commentaries have interested me. In one of the latest ones, published in “Foreign Affairs”, he says, “The challenge for Modi is to use his considerable political capital to...