Rep. Nadler: Republicans trying to 'sabotage' Mueller probe

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Ranking Judiciary Committee member, Rep. Jerry Nadler joins Ari Melber to discuss breaking reports that the Republican Chair of the House Judiciary Committee plans to subpoena memos from former Acting Director of the FBI, Andrew McCabe. Rep. Nadler tells Ari Melber that the memos are part of an ongoing investigation and Republican members of the Committee are trying to “undermine” it.