Read Mark Zuckerberg's testimony for Congress

Here's Facebook CEO Mark Zuckerberg's full testimony for the House Energy and Commerce Committee. Zuckerberg is spending part of Monday meeting with lawmakers, creating a media circus as he and his team arrived at the Capitol complex.

"We didn’t take a broad enough view of our responsibility, and that was a big mistake. It was my mistake, and I’m sorry. I started Facebook, I run it, and I’m responsible for what happens here."
— Zuckerberg