"Why is Hope Hicks, Trump’s longest-serving aide, resigning?" PBS NewsHour 2/28/2018

ANSWER:  She sees the handwriting on the wall.  Also note she kept a dairy. 😉

Excerpt

SUMMARY:  White House Communications Director Hope Hicks made the surprising announcement on Wednesday that she will leave the Trump Administration in the coming weeks.  The news comes a day after Hicks testifies for hours before the House Intelligence Committee as part of the Russia probe.  Judy Woodruff learns more from Ashley Parker of The Washington Post.