The Senate committees on rules and homeland security will hold a joint hearing on March 3 on the deadly attack on the U.S. Capitol. Witnesses include: - William J. Walker, commanding general of the D.C. National Guard - Melissa Smislova, a senior official in the Department of Homeland Security - Jill Sanborn, the assistant director of the FBI’s counterterrorism divisions - Robert G. Salesses, a senior official in the Department of Defense Walker oversaw the D.C. National Guard in its limited role responding to the possibility of violence ahead of the riot at the Capitol on Jan. 6. The National Guard response was expanded hours after Congress was overrun, eventually including about 26,000 National Guard members through the Jan. 20 inauguration of President Biden. The Post’s Libby Casey will anchor live coverage and be joined by reporters Rhonda Colvin, Jeremy Barr, Aaron Blake, Nicole Ellis and Dan Lamothe. Read more: https://wapo.st/3e6oFAS. Subscribe to The Washington Post on YouTube: https://wapo.st/2QOdcqK Follow us: Twitter: https://twitter.com/washingtonpost Instagram: https://www.instagram.com/washingtonpost/ Facebook: https://www.facebook.com/washingtonpost/