Alexei Navalny was sent to one to die and American journalist Evan Gershkovich is being held in another. Our correspondent reports on the notorious brutality of Russia’s prisons. Without the right policies, undoing years of dependency on oil will take much longer than hoped (11:03). And a tribute to the Israeli luthier who restored violins from the Holocaust (18:53). 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. Hosted on Acast. See acast.com/privacy for more information.