On this episode of the GZERO World Podcast, major Western democracies like France, the UK, Canada, and the US are on the verge of sweeping political change, but how will upcoming elections impact our collective ability to deal with the world’s biggest challenges like climate, AI, and cyber defense? Mark Carney, former Governor of the Banks of England and Canada and current UN Special Envoy on Climate Action & Finance, joins Ian Bremmer to take a hard look at three of America’s closest allies: France, Britain, and Canada.