Christiane Amanpour is joined by former Democratic Senator Gary Hart to talk about the significance of the Iowa caucus, and he helped to shape it. CNN Chief Medical Correspondent Dr Sanjay Gupta and James Miles, China Editor at The Economist, discuss the rapid spread of the Coronavirus, and China's response to the crisis. And our Michel Martin is joined by Kim Gardner, St. Louis' first African American Chief Prosecutor, who has now filed a lawsuit against the city for 'racially motivated conspiracy to deny the rights of racial minorities'.To learn more about how CNN protects listener privacy, visit cnn.com/privacyLearn more about your ad choices. Visit podcastchoices.com/adchoices