Last week, Donald Trump instructed the Pentagon to “immediately” resume US nuclear weapons testing. The order breaks with more than three decades of protocol for the United States – justified, according to the president, by the actions of China and Russia. And as these nuclear-armed powers expand and modernise their arsenals, countries closer to Australia are openly debating whether to follow. Today, professor of strategic studies at the ANU and a contributor to Australian Foreign Affairs , Brendan Taylor, on what Trump’s announcement means for the nuclear arms race, and what happens if our neighbours go nuclear. If you enjoy 7am , the best way you can support us is by making a contribution at 7ampodcast.com.au/support . Socials: Stay in touch with us on Instagram Guest: Professor of strategic studies at the ANU and a contributor to Australian Foreign Affairs , Brendan Taylor Photo: Provided by U.S. Energy Department See omnystudio.com/listener for privacy information.