We've read the John Bolton book on Trump - here's what he claims As national security advisor, John Bolton was at the heart of the Trump White House, lasting as long as 18 months. Now he has a no-holds-barred book due out next week - although the US Justice Department is trying to block publication. Bolton accuses Trump of being 'stunningly uninformed' - in what amounts to the most extensive attack by a former insider so far. | Channel 4 News