Robert Gates's career gives him a unique vantage point. He's the only U.S. defense secretary in history to serve under consecutive presidents from opposing parties. His memoir "Duty" created a stir when it was released in January for its perceived criticism of President Obama's handling of the war in Afghanistan. We'll talk to Gates about the book, as well as the Ukraine crisis and other pressing foreign policy challenges.
Former Defense Secretary Robert Gates
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Robert Gates, former U.S. secretary of Defense (2006-11), former director of the CIA and author of "Duty: Memoirs of a Secretary at War"