A dirty river and doping scandals: The road to the Paris Olympics 2024

Host city Paris promises a sporting spectacle at the 2024 Summer Olympic Games but faces challenges ranging from a dirty river Seine and sweltering weather to doping scandals and terrorism threats. Arnold Gay speaks to Paris correspondent Ross Cullen as the French capital begins its 30-day countdown to the Games. See omnystudio.com/listener (https://omnystudio.com/listener) for privacy information.