Juliette Kayyem: Remembering September 11

The World
Anchor Lisa Mullins talks with Juliette Kayyem about September 11th attacks of 2001 and how homeland security has evolved in the past ten years. Kayyem spent the last two years as Assistant Secretary of Intergovernmental Affairs at the Department of Homeland Security, and is now a national security and foreign policy columnist for the Boston Globe.
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