Pulitzer Prize-winning author Liaquat Ahmed joins Merryn Somerset Webb to discuss 1873: The First Great Depression and the Making of the Modern World, exploring how the first truly global financial crash reshaped economics, politics and society for decades to come. Together, they unpack striking parallels between the railway boom of the 1870s and today's AI investment frenzy, asking whether history is once again rhyming—and what investors should learn before the next bubble bursts.

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