Facebook CEO Mark Zuckerberg spent his Wednesday in front of the House Energy and Commerce Committee, where he apologized again for the Cambridge Analytica scandal. "We didn't take a broad enough view of our responsibility, and that was a big mistake," he said. "It was my mistake, and I'm sorry. I started Facebook, I run it, and I'm responsible for what happens here." This was his second day fielding questions from lawmakers, after being grilled on Tuesday by senators asking how Facebook collects data and how it could better protect user's privacy. Rep.