The president's former national security adviser told CNN that Trump's threats of sanctions against Russia were empty.

Former national security adviser John Bolton said on Wednesday that a ceasefire deal with Russia is not “in Ukraine’s interest,” but the war-torn country’s president, Volodymyr ...

John Bolton, a former National Security Advisor in President Donald Trump's first term, said his ex-boss is cognitively damaged. The post John Bolton Says Trump’s Brain Is Cooked: ‘His Mind Is Full of ...

VLADIMIR Putin is trying to manipulate Donald Trump to get what he wants, his former White House adviser has warned. John ...

Of course, yesterday, President Trump met with Ukraine's President Volodymyr Zelenskyy just after the third anniversary of the Russian invasion of his country and told him... (SOUNDBITE OF ARCHIVED ...

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 ...

Former White House national security adviser John Bolton brushed off President Trump’s recent threat to impose sanctions on Russia over its continued strikes in Ukraine as peace talks are ...

Commenting on Trump's remarks, which the president made on social media, John Bolton told CNN that Trump was trying to demonstrate a balance with regard to Moscow and Kyiv and that Russian ...