With India prime minister Modi and Brazil president Lula vowing to "defend multilateralism" against what they see as "rising US protectionism", Roger Hearing is joined by Alison van Diggelen and Travis Patterson to discuss how businesses in countries that don't have a trade deal with Washington will be impacted by US president Trump’s new tariffs. We hear how scientists and engineers in Sweden are using new technology to revolutionise the global steel industry and make the material green.
Elsewhere, how good is the latest AI app - GPT5?
Plus the strange case of the fluffy toys and a million-dollar lawsuit.
Global business news, with live guests and contributions from Asia and the USA.