Former national security adviser John Bolton warned Tuesday that Americans may not fully grasp the "harm" President Donald ...

Trump's push to acquire Greenland could harm US security, warns Bolton. He says it's a two-for-one: Take Greenland, lose NATO ...

John Bolton, who served as National Security Advisor during President Donald Trump's first term, said he "always worried" ...

Former national security adviser John Bolton said Monday that there would be an American “political earthquake” if President ...

Trump on Saturday threatened to slap retaliatory tariffs on European allies that oppose his suggestions that the U.S. take ...

Trump "could bring the rest of the regime down and, as far as I can tell, there's no effort to do that," Bolton told Newsweek.

John Bolton, Donald Trump's former national security adviser, warns Ukraine against making too many concessions in the peace negotiations. And says that Trump is being manipulated by Putin.

President Trump’s former national security adviser John Bolton said Monday he was “always worried” Trump would take former ...

Former U.S. national security adviser John Bolton has sharply criticized President Donald Trump's approach to Venezuela in an ...

The world sees this as the Mad King pontificating,” one incensed former US government official told Vanity Fair.