Opinion: Why Hope Hicks and Don McGahn testimony is key

How many times can the White House slap Congress in the mouth before Congress hits back? The list got longer this week when the White House instructed former Trump administration officials Hope Hicks and Annie Donaldson to defy a House Judiciary Committee subpoena for documents relating to their work in the White House. Hicks and Donaldson now join other subpoena recipients — Attorney General William Barr, former White House counsel Don McGahn, Treasury Secretary Steve Mnuchin — in telling Congress to pound sand.

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