Workers strike at Tomago aluminium smelter as tariffs loom

Workers at Australia's largest aluminium smelter walked off the job as part of strike action on the weekend, adding to the industry's woes while it's already under pressure due to the prospect of tariffs that could be imposed by the US.   GUEST: Tony Callinan, Australian Workers Union NSW secretary Producer: Brooke Young and Jacqueline Breen   Rio Tinto has been contacted for comment.