Secretary of Defense Lloyd Austin and Gen. Mark A. Milley testify before the Senate Armed Forces Committee on Sept. 28 about the withdrawal of U.S. troops from Afghanistan. The Post's Libby Casey will anchor live coverage and be joined by reporters Rhonda Colvin, Joyce Koh and columnist James Hohmann. Read more: https://wapo.st/2ZFqNdy. 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/