Across the Divide

4 segments

On today’s show: Social scientist Jonathan Haidt looks at why people are so divided by politics and religion. Violinist Philippe Quint and singer-songwriter Nellie McKay discuss their roles in the new film “Downtown Express.” A History of the World in 100 Objects is about a tughra, the official signature of the ruler of the Ottoman Empire. Annalena McAfee discusses her debut novel, The Spoiler. Plus, Michael Lind explains how and why Americans, since the earliest days of the republic, have continuously reinvented our economy.