Cassidy Hutchinson, a top aide to former White House Chief of Staff Mark Meadows, is expected to testify in person at the Jan. 6 committee's surprise hearing, according to a source with direct knowledge of the plans.
Driving the news: Hutchinson, who was Meadows' most trusted aide, has been a crucial witness for the committee, offering an inside account of the West Wing in the days leading up to, on and in the aftermath of the Jan. 6 Capitol attack.
