The big G-20 summit in Bali that made more headlines with what happened on its sidelines — like that Trudeau-Xi encounter — is over. The baton has passed from Indonesia’s Joko Widodo to India’s Narendra Modi. It sets the stage for a never-before foreign affairs year for India. Especially as India will be hosting so much of the world — accounting for 80% of global GDP and 75% of world trade — under a leader who so revels in grand spectacle. L.K. Advani spoke brave words once, calling Narendra Modi a good event manager, and has been paying for it...