Meadows told the audience at the beginning of the hearing that the Department of Justice was unwilling to make John Huber available for the hearing.
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Maybe it's a good thing that Meadows is leaving.
JUDICIAL WATCH Clinton, Comey, Uranium One: Who Is John W. Huber?
April 10, 2018
https://www.judicialwatch.org/investigative-bulletin/clinton-comey-uranium-one-john-w-huber/