President Donald Trump's special envoy has been dealing with Russia in the negotiations to end its war on Ukraine.

When Donald Trump selected Mike Waltz to serve as national security adviser, the choice was widely seen as win-win: A combat ...

Trump’s former national security adviser lets loose on the leaked Signal group chat and the administration’s foreign policy factions.

Trump's former national security adviser said the president is hitting at "democratically elected leaders" who won't be "shoved around." ...

For the third day in a row, the federal election campaign mainly revolved around U.S. President Donald Trump after he and ...