. >> i want to go to brett bruen, a career diplomat who's the former director of the national security council under obama and served under george bush. i appreciate your time. you now, not just the timeline, but you know what it's like to be in those chains of command, and what is normally shared and not shared, and when. do you think everything that you know and then we understand to be the case that secretary austin should resign? >> i think he should resign but i think there have to be several resignations including his chief of staff, as well as other officials. you mentioned the pentagon spokesperson, he briefed reporters on thursday, knowing then that secretary austin was in the hospital, did not disclose that information. these are not minor mistakes, these are serious breaches of trust, serious breaches of transparency, and they do ultimately affect our readiness as a mission to respond. >> it's embarrassing. at the very least, for the country, you know, his deputy, kathleen hicks, she assumed some of his duties while she was on vacation in puerto rico. she found out that he w