America’s president had one primary task at last night’s debate: to close down speculation about his mental faculties. It went so poorly his whole campaign is now in doubt. Tentative results from a newish instrument give tantalising hints that the leading theory on the universe’s makeup might need reworking entirely (10:20). And bullfighting moves from literal arenas to the political arena (18:40).Get a world of insights by subscribing 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.

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“What did the council decide on item 42?” — answered with the speaker and the moment.