But that wasn’t enough to save him. Just like his predecessors, John Bolton has been tweeted out of the White House.
And he’d disagreed with the president over foreign policy – most recently on Afghanistan.
He opposed Trump’s plan to bring members of the Taliban to Camp David to sign a peace accord.
Those views led to the president firing him, although Bolton says he resigned.
So what does his departure mean for the US foreign policy?
And is there anyone who can hold on to one of the most powerful positions in the White House?
Presenter: Imran Khan