Watch live: Jan. 6 hearing features White House aide

WASHINGTON (NewsNation) — The House select committee investigating the Jan. 6 riot at the U.S. Capitol is expected to hear from a top aide in former President Donald Trump's White House.
Cassidy Hutchinson, who is expected to testify at the surprise hearing Tuesday, is a vital witness in the sweeping investigation into the Jan. 6, 2021 attack, a person familiar with the matter told The Associated Press.Hutchinson, a special assistant and aide to Trump's chief of staff, Mark Meado