Politics & Government Facebook CEO Zuckerberg To Testify Before Congress 6:26am April 05, 2018 Business Politics Share URL copied to clipboard! Copyright 2018 NPR. To see more, visit http://www.npr.org/. 300x250 Ad More Morning Edition World News Morning news brief NTSB wraps up 'door plug' hearing. What did the safety board learn? by David Schaper 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate