In a 2026 summit that redraws the map of global influence, the BRICS coalition formally welcomed Iran into its fold, binding together a bloc that now spans some of the world's most consequential energy reserves at a moment when oil prices are climbing and Middle Eastern tensions are reshaping the international order. The move signals a deepening challenge to Western-led institutions, yet carries within it the seeds of its own contradiction: a coalition united by shared ambition but divided by competing national interests that Iran's entry may intensify rather than resolve. History suggests tha