In this exclusive excerpt from Team of Vipers: My 500 Extraordinary Days in the Trump White House, a former Trump aide recalls the leaking, the gossiping, and the infighting that made Kellyanne Conway such a formidable player in the White House.

Ex-W.H. aide Cliff Sims says that he once watched Kellyanne Conway iMessage no fewer than a half-dozen reporters over the course of 20 minutes to, among other things, bash Kushner, Priebus, Bannon, and Spicer. All by name. https://t.co/1YpxTJmgTs

— Kyle Griffin (@kylegriffin1) January 24, 2019