Barack Obama on the challenge to democracy

Christiane joins us from Athens, where she just had an exclusive interview with former US President Barack Obama. There is no setting more fitting than Greece, the birthplace of democracy, for their conversation about democracy’s very survival. Christiane discusses the interview and we hear a part of it here.  Also on today's show: columnist Bobby Ghosh; historian Margaret MacMillan; author Peter Attia  To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices