decided who to support for president and the campaign for mayor pete buttigieg telling nbc news they can confirm this report. but certainly a lot of scrutiny, of every single move of this billionaire facebook ceo who is trying to do as much as he can to protect 2020. hal? >> jo ling kent with that statement. thanks for bringing that to us. from california, alex stamos, the chief security officer for facebook, now an nbc cybersecurity analyst. a little bit more of what zuckerberg had to say to lester here. >> part of growing up for me has just been realizing that it is more important to be understood than it is to be liked. and i believe that very strongly. i do think that people can make up their own minds about me or the work that we're doing but this is who i am. >> what do you think, alex, is that the right attitude to have