Large fuel subsidies in Nigeria are popular but ruinous to other public services. Our correspondents report from Lagos on how home-grown oil refining could help wean people off this popular premium. Texas was once a haven for crypto-mining; now many people are souring on it (11:06). And the terrifying rise of Indonesian horror films (17.05).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.