President Donald Trump reacted to recent advice from his former national security advisor, H.R. McMaster, with name-calling ...

President Donald Trump continues defending himself amid the fallout from the tense Oval Office meeting with Ukrainian ...

President Trump slammed H.R. McMaster after his former national security adviser said he is “being played” by Russian ...

President Donald Trump criticized his former national security advisor and said the U.S. government should spend less time ...

"We're really on a knife-edge here," said Calder Walton, a historian specializing in intelligence at Harvard University's ...

Retired Gen. H.R. McMaster, who served at Trump’s side for over a year, finds it “impossible to understand” why Trump is ...

Rep. Don Bacon, Sen. Angus King and H.R. McMaster, who served as Mr. Trump's national security adviser during his first ...

Republicans in Congress are cheering on Donald Trump’s disastrous meeting with Ukrainian President Volodymyr Zelenskiy Friday ...

President Donald Trump reacted to recent advice from his former national security adviser, H.R. McMaster, with name-calling and dismissal. McMaster was the subject of Sunday’s 60 Minutes ...