This week European leaders have lined up to charm Donald Trump. But the broad smiles belie a bigger fear: what would it mean for the continent’s security if America forsakes its security guarantees? What the pull-out of French forces will mean for Africa (10:56). And the Maha Kumbh Mela shows how piety became political in India (18:55). 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.