The epic blowup inside the Oval Office Friday that pitted Donald Trump and J.D. Vance against Ukrainian President Volodymyr ...

Former national security advisor John Bolton was among conservative figures who criticized the behavior of the U.S. president ...

VLADIMIR Putin poured poison in Donald Trump’s ear about Volodymyr Zelensky the moment the Ukrainian president was sworn in, ...

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.

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.

JOHN BOLTON: Glad to be with you ... And at some point in politics, principles should triumph. SIMON: Is there Republican opposition to President Trump on Ukraine? BOLTON: I think there's a ...