Daily Cuts - S1E322: Seoul and Washington double down on deterrence

South Korean President Yoon Suk-yeol and US President Joe Biden have announced new plans to deter North Korean aggression. They reiterated their countries' 'ironclad' alliance, with Washington set to send nuclear-armed submarines to dock in South Korea for the first time since the early 1980s. To find out more about the implications of the Yoon-Biden meeting, CNA938's Arnold Gay and Justine Moss speak with Professor Justin Hastings, Senior Visiting Research Fellow, Korea Centre, East Asian Institute, National University of Singapore.