John Bolton (left) and Donald Trump (right).
John Bolton (left) and Donald Trump (right).
  • John Bolton disparaged the former president's intellectual capacity in a Le Figaro interview.
  • Trump's ex-national security advisor has become a vocal critic of his former boss.
  • Bolton is convinced Trump will pull the US out of NATO if reelected.

Donald Trump's ex-national security advisor, John Bolton, said the former president "doesn't have the brains" to be a dictator in a recent interview with French daily Le Figaro.