BOGOTA, Colombia During his participation in the G20 leader’s summit in Brazil, Colombian President Gustavo Petro called for direct talks between Russia and Ukraine to end the ongoing war. “Peace begins with direct talks between Russia and Ukraine, without intermediaries,” Petro said. “A meeting between the Slavic peoples of the world, who share a common history and language, is essential. Any absence, whether of Ukraine or Russia, at a peace conference would make that conference not one of