South Africa hosts a summit of the BRICS group of nations and others in the Global South next week who are seeking to balance Western dominance of the world order while dealing with their own internal divisions. At least 40 heads of state and government will join South Africa’s Cyril Ramaphosa, China’s Xi Jinping, India’s Narendra Modi and Brazil’s Luiz Inacio Lula da Silva in Johannesburg. Russian Foreign Minister Sergei Lavrov represents Vladimir Putin, who will attend virtually to avoid possible arrest for alleged war crimes if he...