CNN’s John Berman on Thursday spoke with John Bolton, former U.S. ambassador to the UN and former national security advisor ...

Bolton, who worked for Trump during his first term, said this is more proof that his old boss isn't fit for the Oval Office.

NPR's Scott Simon talks to former National Security Adviser John Bolton about the foreign policy implications of Friday's shocking press conference between President Trump and President Zelenskyy.

There seems to be little that President Trump and one of his first-term national security advisers, John Bolton ... While Bolton, who served as U.S. ambassador to the United Nations under ...

John Bolton, former national security ... UK troops to Ukraine to enforce the ceasefire, Bolton responded dismissively. "I’m against deploying a peacekeeping force. Experience with the United Nations ...

National Security Council spokesperson Brian Hughes wrote, in part, quote ... incorrectly identified John Bolton as having served as U.S. ambassador to the United Nations under President Trump.

SIMON: John Bolton joins us now. Mr. Bolton was ambassador to the United Nations during the George ... Adviser Michael Waltz - said of them, quote, "this is the point you resign." ...

John Bolton, Trump's former national ... leaders about the possibility first. While Bolton, who served as U.S. ambassador to the United Nations under President George W. Bush, maintains there ...

There seems to be little that President Trump and one of his first-term national security advisers, John Bolton, agree on publicly these days — but one issue may be whether the U.S. should acquire ...