also today, lawmakers in the u.s. and britain demanding that facebook founder zuckerberg testify. the ftc reportedly investigating facebook. about the controversial ways its handled users' personal data. latest involving the company that helped the trump campaign, cambridge analytica, doing no favors, by the way, for the trump team today. an explosive undercover documentary that's already alleged a web of lies and sexual blackmail will continue tonight. nbc's jeff bennett is at the white house. kacie hunt is on capitol hill. jeff, let's start with this attempt that was reported for the president to add a very big name to his legal team. >> it appears the president is trying to add some more firepower to his legal team as the talks continue with the special counsel about the terms of an interview between the president and robert mueller.