Sims, unlike many others who have left the White House and gone on to attack the president in books or public comments, remains loyal to Trump and is trying to out leakers–or sleeper cells, as they are called–in the West Wing. One alleged leaker exposed in another excerpt in Sims’ book is White House counselor KellyAnne Conway, who, Sims recounts in an excerpt published by Vanity Fair, asked him to write a statement on her computer saying she was not disloyal or leaking–while he watched messages appear on her screen between her and media figures in which she allegedly trashed...