It took more than 20 years for Hong Kong’s legislature to pass Article 23, a sweeping and troublingly ambiguous national-security law. Huge protests stymied such legislation in the past; not so anymore. National Guard troops are out in force on New York City’s subways—because they are cheaper than cops (10:11). And a personal story exploring the torment of tinnitus (15:31).Please take a moment to respond to our listener survey.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.