Many of the pieces are in place to bring the disease entirely under control—but our correspondent finds it will take more than advances in medication. Japan’s government has at last begun to regulate the country’s notorious pornography; we examine a sector emerging from the shadows (11:07). And how China uses UNESCO world-heritage status to rewrite the history of its periphery (18:38).Sign up for Economist Podcasts+ now and get 50% off your subscription with our limited-time offer. You will not be charged until Economist Podcasts+ launches.Visit http://www.economist.com/podcastsplus-intelligence to join.If you’re already a subscriber to The Economist, you’ll have full access to all our shows as part of your subscription.For more information about Economist Podcasts+, including how to get access, please visit our FAQs page. Hosted on Acast. See acast.com/privacy for more information.