Looming US auto tariffs are forcing tough decisions for the world's biggest automakers, with firms already reeling from high borrowing costs and slower sales. Tesla's been rocked by a political backlash and plunging sales, while Chinese EV manufacturers gain global market share and make big strides in autonomous driving. The levies - which could raise costs for companies and customers - present an existential threat to the industry, according to Steve Man, global autos and industrials research manager at Bloomberg Intelligence. He joins John Lee and Katia Dmitrieva to discuss the game-changing impact.