<p>As the smoke of a murderous crackdown clears, Iranians have hardened into two camps. Moderates and reformists are out; a sense of looming civil war is in. As America nears its 250th birthday, we launch <a href="https://www.economist.com/interactive/america-at-250?utm_campaign=a.io&utm_medium=audio.podcast.np&utm_source=theintelligence&utm_content=discovery.content.anonymous.tr_shownotes_na-na_article&utm_term=sa.listeners" rel="noopener noreferrer" target="_blank">our series</a> examining the highlights and low points of its history. And why the wild playground popularity of the song “<a href="https://www.economist.com/culture/2026/01/26/how-russian-brainrot-became-a-hit-for-children?utm_campaign=a.io&utm_medium=audio.podcast.np&utm_source=theintelligence&utm_content=discovery.content.anonymous.tr_shownotes_na-na_article&utm_term=sa.listeners" rel="noopener noreferrer" target="_blank">Sigma Boy</a>” is so worrisome.</p><br><p><em>Get a world of insights by </em><a href="https://subscribenow.economist.com/podcasts-plus" rel="noopener noreferrer" target="_blank"><em>subscribing to Economist Podcasts+</em></a><em>. For more information about how to access Economist Podcasts+, please visit our </em><a href="https://myaccount.economist.com/s/article/What-is-Economist-Podcasts" rel="noopener noreferrer" target="_blank"><em>FAQs page</em></a><em> or watch </em><a href="https://www.youtube.com/watch?v=Gczo71bg1uY" rel="noopener noreferrer" target="_blank"><em>our video</em></a><em> explaining how to link your account.</em></p> <hr><p style='color:grey; font-size:0.75em;'> Hosted on Acast. See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for more information.</p>