December 20, 2019
12/20/2019 | 55m 33s | Video has closed captioning.
Heidi Blake joins Christiane Amanpour to discuss suspicious deaths connected to the Kremlin, and Dr. Rangan Chatterjee explains the causes of workplace stress. Plus, Carmen Bambach analyzes Leonardo Da Vinci's groundbreaking work with Walter Isaacson.
Aired: 12/20/19
