Normally we take one big theme shaping American politics and explore it in depth. This week is a little different: we’re going to answer your questions. We tackle whether America will ever have a female president, the politics of health-care reform and how the show gets made. Plus, a bumper quiz. John Prideaux hosts with Charlotte Howard, Idrees Kahloon and Jon Fasman.  We would also love to ask you some questions. Please fill out our listener survey at economist.com/uspodsurvey. You can now find every episode of Checks and Balance in one place and sign up to our weekly newsletter. For full access to print, digital and audio editions, as well as exclusive live events, subscribe to The Economist at economist.com/uspod. Hosted on Acast. See acast.com/privacy for more information.

From infantry to air defences and even electronic warfare, improved strategies and engineering could threaten Ukraine’s counter-offensive plans. How can these ramped-up defences be breached? What would a world of superintelligent AI look like? We use economic theory to conduct a thought experiment. And a tribute to the British novelist Martin Amis.Take our listener survey at www.economist.com/intelligencesurveyFor full access to print, digital and audio editions of The Economist, try a free 30-day digital subscription by going to www.economist.com/intelligenceoffer Hosted on Acast. See acast.com/privacy for more information.

From Alipay’s QR codes to PayPal, it’s never been easier to move money around. Central banks are even considering their own digital currencies. And all that cross-border cashlessness has some wondering about the dollar’s international dominance.On this week’s podcast, hosts Mike Bird and Tom Lee-Devlin examine the risks to the world’s reserve currency. The Economist’s Arjun Ramani explains how far digital payments have come; Mairead McGuinness, European Commissioner for financial services, discusses ambitions for a digital euro; and Michael Pettis from Peking University explains the costs inherent in hosting a reserve currency.We would love to hear from you. Please fill out our listener survey at economist.com/moneytalkssurveySign up for our new weekly newsletter dissecting the big themes in markets, business and the economy at www.economist.com/moneytalks For full access to print, digital and audio editions, subscribe to The Economist at www.economist.com/podcastoffer Hosted on Acast. See acast.com/privacy for more information.

After a glitchy announcement on Twitter, the Florida governor’s campaign is off to a shaky start. And despite strong donor backing, he will struggle to secure the Republican party nomination. Airlines are under increasing pressure to decarbonise but their journey to net zero is going to be long and pricey. And, how British shows can make hay while the Hollywood writers strike.Take our listener survey at www.economist.com/intelligencesurveyFor full access to print, digital and audio editions of The Economist, try a free 30-day digital subscription by going to www.economist.com/intelligenceoffer Hosted on Acast. See acast.com/privacy for more information.

Clinical trials are the gold standard for testing the safety and efficacy of a treatment or drug, and a keystone in modern medicine. But their grinding timelines and skyrocketing price tags are hindering development and, ultimately, costing lives.Natasha Loder, The Economist’s health editor, asks Sir Martin Landray, the boss of Protas, a clinical-trial organisation, what can be learned from his pioneering RECOVERY covid-19 trial. Euan Ashley, a cardiologist at Stanford University, explains how to use wearable technology to conduct wholly digital clinical trials. Plus, Alejandro Frangi of the University of Leeds says virtual clinical trials that use computers to model medical interventions can save time and money. Alok Jha, The Economist's science and technology editor, hosts.We would love to hear from you. Please fill out our listener survey at economist.com/babbagesurvey.For full access to The Economist’s print, digital and audio editions subscribe at economist.com/podcastoffer and sign up for our weekly science newsletter at economist.com/simplyscience. Hosted on Acast. See acast.com/privacy for more information.