Ex-Trump official says Trump was easy to manipulate

Until now, Lt. Gen. H.R. McMaster has held his fire about his stint in the Trump White House. McMaster served with distinction in key American conflicts of the past decades: the Gulf War, the Iraq War and the war in Afghanistan, but as McMaster recounts in his new book, “At War with Ourselves: My Tour of Duty in the Trump White House,” in some ways, his most challenging tour as a soldier was his last one: serving as the national security adviser to a notoriously mercurial president. #CNN #News Want to stay up to date on the day’s top stories? Sign up for CNN’s 5 Things newsletter, and we’ll give you the 5 biggest stories you need to know, videos people are watching, and more! Sign up here: https://www.cnn.com/newsletters/5-things?source=nl-acq_social_youtubedesc&utm_source=nl-acq_social_youtubedesc