In Delhi, leaders representing nearly half the world's population gathered under the Brics banner to declare that the age of rule-taking must give way to rule-shaping — yet the summit revealed that shared dissatisfaction with the existing order is far easier to articulate than a shared vision of what should follow. India's Narendra Modi achieved something quietly remarkable by convening rivals — China, Russia, Iran, the UAE — whose recent histories include border skirmishes, missile exchanges, and proxy wars. The joint declaration they produced was notable less for what it said than for what i