After a 20-point primary walloping in South Carolina, the state she governed for eight years, Nikki Haley vowed to fight on against Donald Trump for the Republican presidential nomination. But why? Seasonal opportunities for natural-gas arbitrage have been juicier during the war in Ukraine—and one good place to store cheap gas between seasons is Ukraine (9:31). And examining America’s cousin-marriage laws (16:05).Get a world of insights for 50% off—subscribe to 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.