In this episode of The Economist podcast, three key topics are explored: the Biden administration's struggle to stop Iran from developing nuclear weapons, China's efforts to combat its declining birth rate, and the emergence of new competitors in the sportswear industry challenging Nike and Adidas. The discussion on Iran emphasizes the heightened threat of nuclear proliferation following the 2018 exit from the nuclear deal and the limited advancements made under Biden. Turning to China, the podcast reveals the government's aggressive strategies, including controversial measures, to boost birth rates, despite mixed public reactions. Lastly, it examines the evolving sportswear market, where innovative new brands are gaining ground through targeted marketing, forcing established giants like Nike and Adidas to adapt to this shifting landscape.