Frans Cronje analyses the DA's high-stakes future following John Steenhuisen’s exit; Patrice Motsepe retires as ARM executive chair; and the WeBuyCars founders move to take RMBH private. Plus, Telkom and AECI surge on turnaround results, the final chapter for Tongaat Hulett, and how an obscure AI white paper triggered a massive sell-off in US logistics stocks..Sign up for your early morning brew of the BizNews Insider to keep you up to speed with the content that matters. The newsletter will land in your inbox at 5:30am weekdays. Register here.Support South Africa’s bastion of independent journalism, offering balanced insights on investments, business, and the political economy, by joining BizNews Premium. Register here.If you prefer WhatsApp for updates, sign up to the BizNews channel here..Watch here.Listen here.BizNews Reporter.Global geopolitics: Nuclear talks and defensive techThe international spotlight remains fixed on the Middle East as the US and Iran prepare for critical talks regarding Tehran’s nuclear ambitions. President Donald Trump has indicated he will be "indirectly involved" in these negotiations, though he remains a vocal critic of Iran’s tough negotiating style. The president has already threatened strikes against the Islamic Republic unless a deal is reached to curb its nuclear programme in exchange for sanctions relief.Simultaneously, the US military-industrial complex is evolving. SpaceX and its subsidiary, XAi, are currently vying for a secretive Pentagon contract aimed at developing autonomous drone-swarming technology. This project, which translates voice commands into digital instructions for multiple drones, highlights the increasing integration of AI into offensive military capabilities.Markets: AI disruption and "confession season"On the economic front, US markets were closed on Monday for George Washington’s birthday. However, investor attention remains on interest rates following a "tame" reading of retail inflation. Markets are now fully pricing in a Federal Reserve rate cut for July, with a strong possibility of a cut as early as June.The broader market is also grappling with rapid disruption caused by Artificial Intelligence. Natalia Lip Akina of JPMorgan noted that the focus is currently on the tech sector, where "hyperscalers" are expected to spend $600 billion this year. This coincides with the arrival of "confession season" for fourth-quarter earnings, a period where companies provide clarity on AI capital investments and revenue.A particularly bizarre moment of market volatility occurred following a white paper from a small Florida-based logistics firm. The paper suggested that a new AI tool could boost freight volumes by 400% without extra staff, triggering a massive sell-off across global transport stocks as algorithms reacted to the signal.South Africa’s shifting landscapeDomestically, South Africa is witnessing a pivotal moment following John Steenhuisen’s departure as leader of the Democratic Alliance (DA). Analysts suggest this "fork in the road" could lead to Geordin Hill-Lewis taking the helm, potentially launching the party into the 30% bracket by 2029. In corporate news, the program highlighted several success stories:Telkom: Shares jumped 6% as data revenue now accounts for 60% of total income. AECI: The explosives giant saw shares rise 8% after flagging a surge in earnings and successfully slashing its net debt from R3.8 billion to R460 million. Stefanutti Stocks: The construction group's order book swelled to R15.3 billion, while it simultaneously cut its debt to Standard Bank by R600 million. Conversely, the "sad, slow collapse" of Tongaat Hulett reached its final chapter as business rescue practitioners officially applied for court liquidation. A heartwarming finaleThe show concluded with the story of 17-year-old Thomas Ware, a skiing sensation representing South Africa at the Winter Olympics in Milan-Cortina. Despite being born in Switzerland, Ware spoke of his pride in carrying the South African flag and his habit of "smuggling" biltong onto the slopes to stay connected to his heritage.