Tonight Facebook News Today

>> reporter: tonight facebook is responding publicly for the first time to complaints filed with regular rarities saying any sense it has any sponszable for january 6th is absurd but the tens of thousands of pages of documents are raising real questions about what facebook did and didnt do. >> facebook over and over again chose to optimize for its own interests like making more money. >> reporter: that belief prompted facebook whistleblower frances haugen to file at least eight separate complain...