Jonathan Karl interviews Trump’s former national security adviser, John Bolton, on “This Week.” Donald Trump reacts to Melania's $1B defamation threat against Hunter Biden Object resembling ...

National security advisors from Kyiv's allies -- including the United States, EU nations and the UK -- gathered in Britain Saturday to align their views ahead of the Putin-Trump summit.

National security advisors from Kyiv's allies -- including the United States, EU nations and the UK -- gathered in Britain Saturday to align their views ahead of the Putin-Trump summit.

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 ...