Ivanka Trump, daughter and adviser to the former president, voluntarily testified before House investigators for more than eight hours this week about the insurrectionist riot in the Capitol. And Congress debated how the government would survive if half its members died or were incapacitated in an attack or natural disaster. Right now, the Constitution requires House members be to replaced by special election, a lengthy process.This episode: demographics and culture correspondent Danielle Kurtzleben, national justice correspondent Carrie Johnson, congressional reporter Claudia Grisales, and congressional correspondent Kelsey Snell.Connect:Email the show at nprpolitics@npr.orgJoin the NPR Politics Podcast Facebook Group.Subscribe to the NPR Politics Newsletter.Find and support your local public radio station.