In New Delhi, where ancient rivalries and modern ambitions converge, Chinese President Xi Jinping arrived for the 18th BRICS summit — his first step onto Indian soil in seven years — as the world's fractures made the gathering both more urgent and more fraught. The visit marks a cautious thaw between two nuclear powers still haunted by a deadly border clash, even as wars in Ukraine and the Middle East cast long shadows over a bloc that was built to reshape global order but must first reckon with its own divisions. Whether eleven nations can find common cause amid deep mistrust and competing in