talks about key advisers and its leadership, and mercer's daughter pressed trump to bring on bannon to save his campaign. there is nothing illegal about using big data to win a campaign. that's common. congressional investigators say they do want to know if russia had local experts to guide its election meddling. >> one of the things seems curious with the russians on their own, at that level of sophisticated knowledge about american political system, if they didn't at least get some advice from someone in america. >> that's not all. cambridge's parent company, financial associations, with friedman and dmitry, linked to the putin regime, which leaves many questions for investigators. we had a few of our own. cambridge's parent company responded to "the beat" today saying they did sign a work agreement on november 2nd, 2016, with flynn. six days before the election. quote, no work was undertaken and no payment was made to