With less than eight weeks to go to the presidential election, tension is running high after a second probable assassination attempt on Donald Trump. Has political violence become routine in America? Virtual replicas of racing cars, plane engines, even bodies, may change how we diagnose problems (9:08). And celebrating Sergio Mendes, the king of Bossanova (17:04).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.