Treasury Sec. Mnuchin struggles when asked if he ordered IRS to defy Congress

Treasury Secretary Mnuchin denied that he violated the law by refusing to give Trump's tax returns to Congress though a newly revealed IRS draft memo says he must. Attorney and IRS veteran William Lowrance joins Lawrence.

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About The Last Word with Lawrence O'Donnell

Lawrence O’Donnell examines the compelling political stories of the day. See More

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