Hunter Biden Contempt of Congress Deposition Defiance Peter Navarro Contempt Investigation Testimony Impeachment inquiry Closed-door deposition Cooperation Closed-door Deposition Failure to comply Consequences Public deposition President Joe Biden House Republicans Valid subpoena Defying Subpoena Capitol attack House committee Jan. 6 committee House Jan. 6 Committee Capitol attack investigation Steve Bannon Jan. 6 Committee Refusal James Biden Witnesses Impeachment Bipartisan Foreign Business Interests Hearing Defying a subpoena Defying a Congressional subpoena Closed door deposition Closed-door Hearing