Background Packets News Today

Background packets from the team about the various issues they could ebbing phror. some suggesting today just the first start of congressional oversight. >> facebook has taken steps to their platform. i think the senate and the congress is going to need to have a series of hearings and to act to strengthen privacy. >> reporter: this is the first time mark zuckerberg has testified on capitol hill. lawmakers hear a lot of questions about a particular area, they could quickly shift to another area ...