'You don't think you're a monopoly?' Read Sen. Graham's questioning of Facebook CEO Mark Zuckerberg
https://www.cnbc.com/2018/04/10/read-sen-grahams-blistering-line-of-questioning-for-mark-zuckerberg.html
Mark Zuckerberg testified at a joint hearing of the Senate Judiciary and Commerce committees Tuesday, in the first of two congressional hearings for the Facebook founder and CEO.
Watch the live stream of Zuckerberg's testimony here.