America and its allies delivered on a threat to retaliate against Houthi rebels in Yemen who have been targeting Red Sea ships. How far will the escalation go? We visit Iowa ahead of the first event of America’s presidential-primary season and ask if any surprises await (10.16). And remembering Mike Sadler, one of the first recruits to Britain’s SAS special forces (19.17).Sign up for a free trial of Economist Podcasts+. 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 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.