The final exchange, caught on camera between visiting Chinese President Xi Jinping and his Russian host and counterpart, Vladimir Putin, sums up the current geopolitical conflict, still in its nascent stages, between the United States and its Western allies on the one hand, and Russia, China and their allies, on the other. Xi was leaving the Kremlin following a three-day visit that can only be described as historic. “Change is coming that hasn’t happened in 100 years, and we are driving this