National Politics & Government Facebook Founder And CEO Mark Zuckerberg Testifies On Capitol Hill 8:34pm April 10, 2018 by Alina Selyukh News Technology Business Politics National Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2018 NPR. To see more, visit http://www.npr.org/. 300x250 Ad More All Things Considered Music & Culture Podcast explores the changing music scene in Austin, Texas National Science Solar storm disrupts communications by Geoff Brumfiel 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate