I think his last choice for national security adviser was very ill-advised. I think John Bolton has been the worst mistake he's made," Carter told "CBS This Morning" co-host Norah O'Donnell Monday.

Bolton will be Trump's third national security adviser. Trump has clashed with McMaster, a respected three-star general, and talk that McMaster would soon leave the administration had picked up in ...

I think John Bolton going to go down in history as the Benedict Arnold of national security advisors to the United States… I’ve never seen anything like what he has done.

Shortly after it was announced that President Donald Trump had hired former UN Ambassador and current Fox News contributor John Bolton to be his new national security adviser, MSNBC's Chris ...

Former national security adviser John Bolton raised his eyebrows at the prospect of a meeting between President Trump and Russian President Vladimir Putin, casting doubt at the chance of a ceasefire.

In the case of John Bolton, President Trump's choice to become national security adviser, those who oppose his appointment -- liberals, neocons and some Republicans all with differing worldviews ...

John Bolton, Trump’s hawkish new national security adviser, is leading the push to abolish the role of special assistant to the president and cybersecurity coordinator, currently held by the departing ...

Former national security adviser John Bolton on Friday suggested President Trump’s highly anticipated summit with Russian President Vladimir Putin next week is another step toward success for ...

Former national security adviser John Bolton said President Trump’s warning to deter protestors from showing up at the Army’s 250th commemoration parade later this week is just talk.