Every new year, Ruchir Sharma, the precocious Morgan Stanley banker sits down with NDTV’s Prannoy Royfor one hour of ad-free programming, in which he makes predictions for the year ahead. It is first-class television: calm, clean, chummy, insightful—and fun. The “Limousine Liberals”—Sharma gives a bunch of journalists and pollsters a 7-star ride before every major…