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Gen. Mattis Says He Doesn't Live a Life of Regrets

Apr.03 -- Former U.S. Defense Secretary James Mattis says he left the administration due to a policy difference over Syria. Mattis says it is not productive to criticize President Donald Trump because he is still the commander-in-chief. Mattis appears on the latest episode of "The David Rubenstein Show: Peer-to-Peer Conversations." The interview was recorded on Dec. 5, 2019 in Dallas.