BN Briefing: Jonas accuses SA insiders of treason, Trump ties, AI shake-up & Rassie’s comeback

In today’s BizNews Briefing, MTN chairman Mcebisi Jonas claims he is the target of a treasonous “info war” undermining US–SA ties, while critics question his diplomatic role and MTN’s dealings in Iran. DA’s Tshwane mayoral candidate Cilliers Brink stresses why citizen engagement is vital to fixing broken cities. On the global stage, Apple weighs using Google’s Gemini AI for Siri, and markets dissect Fed Chair Jerome Powell’s Jackson Hole message. Evelyn Farkas examines Russia’s grip on Trump and security guarantees for Ukraine. Plus, Rassie Erasmus reflects on the Springboks’ gritty 30–22 win over Australia in Cape Town.