Bloomberg News Now: UK PM Starmer Is Stepping Down

Bloomberg News Now reports on UK PM Keir Starmer's resignation, US-Iran nuclear talks making progress with some sanctions relief, former Defense Secretary Esper’s warning that Mideast peace faces a long road, a Trump ally narrowly winning Colombia’s election, and new US-China trade tensions including Chinese sanctions and export controls on rare earth producers. - UK PM Keir Starmer announces resignation less than two years after landslide win, with a new leader expected by September. - US and Iran begin technical nuclear negotiations in Switzerland; Iranian officials cite progress, including oil sanctions waivers and unfrozen assets. - Former Defense Secretary Mark Esper cautions that the next 60 days will be challenging for sustaining the Lebanon agreement and finalizing a nuclear deal. - Trump ally Abelardo De La Espriella wins Colombia's presidential election by a narrow margin in one of the closest results in history. - China announces sanctions on ten US military-linked companies and export controls against two US rare earth producers, escalating trade tensions. - Vice President JD Vance expresses optimism about the US-Iran talks as a first step toward resolving key disagreements.