The US Court of International Trade ruled that Donald Trump’s so-called fentanyl and Liberation Day tariffs constituted executive overreach. Now what? Artificial intelligence is on a wild ride through a well-known hype cycle—and is arriving at a “trough of disillusionment” (8:49). And a new book about Xi Jinping’s father reveals much about the Chinese president himself (16:42).Get a world of insights by subscribing 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.