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-holes-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.
Our Foreign Affairs Correspondent Jonathan Rugman has obtained one of the first copies – and he’s been reading it..