India, Nov. 22 -- US President Donald Trump's post on Truth Social ahead of his October 30 meeting with Chinese president Xi Jinping in Busan, South Korea - "THE G2 WILL BE CONVENING SHORTLY!" - revived chatter of a US-China duet to manage global affairs. The theatre was unmistakably Trumpian, but the substance that followed was tactical and reversible: Modest tariff adjustments, reversal of escalated export controls, resumed Chinese purchases of US agricultural products, suspension of some planned actions for one year, reopened military hotlines, narrowly scoped regulatory dialogues, and reciprocal visits in 2026. These measures were useful de-escalation, but they did not constitute the architecture of a duopoly or co-governance. Yet the...