ZELENSKYY: You think... TRUMP: You're gambling with World War III. SIMON: John Bolton joins us now. Mr. Bolton was ambassador to the United Nations during the George W. Bush administration.

Former national security adviser John Bolton said President Trump’s mind is “full of mush” as he navigates international affairs and ending the Russia-Ukraine war. Bolton joined CNN’s ...

John Bolton, who served as national security advisor to President Donald Trump during his first term in office, slammed his former boss for the U.S. voting with Russia and North Korea against a UN ...