The Intelligence: The fallen crypto king learns his fate

It has been called one of the biggest financial frauds in American history. After the collapse of cryptocurrency exchange FTX, its founder is facing a maximum jail sentence of 110 years. Why the race to build new cities is difficult, but potentially worthwhile (10:01). And how M&S knickers can help solve murders (16:15).Listen to what matters most, from global politics and business to science and technology—Subscribe to Economist Podcasts+For more information about how to access Economist Podcasts+, please visit our FAQs page or watch our video explaining how to link your account.