as we mentioned, this week brings more chaos. to the trump white house. national security advisor h.r. mcmaster may be the next departure. our own nbc news colleague nicole wallace reports the white house preparing for a mcmaster exit as early as the end of this month. mcmaster was brought in to replace michael flynn, you recall who was fired after less than a month on the job for lying about contact he made with russians during the campaign. in a statement the white house said we frequently face rumor and innuendo about senior administration officials there are no personnel announcements at this time. news of mcmaster's apparent departure comes a day after hope hicks tendered her resignation. all of this comes amid questions about the president's son-in-law and his security clearance. speculation that john kelly may