As the U.S. nears 90,000 coronavirus deaths, the WHO this week warned that the virus may never go away, making a vaccine the holy grail. President Trump promised a vaccine at 'warp speed' on Friday, a much faster timetable than many experts predict. Christiane Amanpour speaks to Ed Yong, science writer at The Atlantic, about the science behind the virus. Meanwhile the eyes of many sports fans will be on the German Bundesliga this weekend as it becomes the first major European soccer league to return amid the coronavirus pandemic. Former English football player Gary Lineker talks to Christiane about the impact the virus is having on the sporting world. And our Hari Sreenivasan talks to Tom Nichols, author of "The Death of Expertise", about the increasing tension between science and politics and how it informs the current health crisis.To learn more about how CNN protects listener privacy, visit cnn.com/privacyLearn more about your ad choices. Visit podcastchoices.com/adchoices