Two of Asia's most consequential powers have chosen, at least for a moment, the language of dialogue over the grammar of rivalry. Xi Jinping's arrival in India this week is less a resolution than a gesture — a signal that Beijing and New Delhi recognize the cost of perpetual antagonism between nuclear-armed neighbors bound by geography and ambition. The handshakes are real, but so are the Himalayan scars and the boardrooms where mutual suspicion still governs the terms of engagement.