Defense, Global Governance Defense Secretary Jim Mattis strives to be a reassuring voice to allies in a chaotic time

Perry World House Visiting Fellow Derek Chollet gives insight on recent comments by Defense Secretary Jim Mattis. 

"He is, without question, within Europe, and really, I would argue, around the world, the most respected person in President Trump's Cabinet," said Derek Chollet, a former assistant secretary of defense, who managed Europe and NATO policy under two of Mattis' Obama-era predecessors. 

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