John Bolton (left) and Donald Trump (right).
John Bolton (left) and Donald Trump (right).
  • John Bolton says foreign autocrats may try to take advantage of Donald Trump's growing debts.
  • "They may be doing it already," Bolton told MSNBC's Jen Psaki.
  • The former president was hit with a $355 million penalty in a New York civil fraud case last week. 

John Bolton says former President Donald Trump's mounting debts could make him vulnerable to foreign manipulation.