Business
Juliette Kayyem, President Obama's Assistant Secretary for Intergovernmental Affairs at the Department of Homeland Security and CNN National Security Analyst, talks about the impact of 9/11 on homeland security and what has changed in the last 20 years. This interview originally aired as part of Wharton Business Daily's special, 9/11: 20 Years Later. See acast.com/privacy for privacy and opt-out information.