National Facebook's Mark Zuckerberg Is Back On Capitol Hill For A 2nd Day 12:41pm April 11, 2018 by Alina Selyukh News Technology Business 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 Morning Edition British twins went on vacation in Mexico and faced a life-or-death battle Economy Morning news brief 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate