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

Former national security adviser John Bolton said President Trump’s mind is “full of mush” as he navigates international ...

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.

John Bolton, former U.S. National Security Advisor, Alexander Vindman, former Director of European Affairs for the National ...

John Bolton has spent years trying to disguise himself as a conservative while attacking those who don’t believe in his ...

John Bolton, a former National Security Advisor in President Donald Trump's first term, said his ex-boss is cognitively damaged.

Follow updates as President Donald Trump receives Ukraine's Volodymyr Zelenskyy at the White House and the foreign aid freeze ...

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

Former national security adviser John Bolton thinks that Donald Trump’s mind is deteriorating, based on some of his recent comments. CNN’s Kaitlan Collins asked Bolton in an interview Monday ...

Trump and Zelensky separately addressed the Oval Office bickering—Zelensky during an interview with Fox News' Bret Baier and ...