EX-PENTAGON CHIEF: These are the 2 main reasons ISIS was born

Former Secretary of Defence Dr. Robert Gates recently stopped by Business Insider to talk about his new book “A Passion For Leadership: Lessons on Change and Reform From Fifty Years of Public Service.

We asked Gates what he considers to be the main factors that led to the exi stance of ISIS.

Produced by Graham Flanagan and Pamela Engel

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