their fields. i've known them for decades, that's what happens when you're old around here. this country should be pleased when people who don't need another chapter in their illustrious careers want to come in and serve. >> reporter: the ranking democrat said the departure of h.r. mcmaster is part of a quote, mass exodus of adults from the administration putting the nation's security at risk and he labelled ambassador bolton as hawkish. >> bill: you have an interview with the cyber security chief of the n.s.a. what did you learn? >> reporter: miriam bailey goes in depth with fox news on the surging threat. are u.s. government systems under constant attack? >> every day. >> reporter: how many times a day? >> hundreds of thousands of times a day.