Trump is quizzing his South Korean counterpart on North Korean intentions.
Secretary of State Mike Pompeo provides security guarantees to Pyongyang but struggles to articulate American demands.
After a historic summit light on details, White House reiterates tough demands for North Korean denuclearization.
Public posturing begins ahead of planned summit.
The United States has no intention of using its firepower to halt the mass killing of civilians through conventional means, degrade Syria’s military forces, or to challenge Russia and Iran’s military positions is Syria.
"We've had weapons brought to this headquarters and given to us by Afghan leaders and [they] said, this was given by the Russians to the Taliban."
The Trump administration can't get its message straight on talks with North Korea.
Russian security services appear to be increasingly targeting dissidents and renegade spies for death by poison.
Mounting reports point toward National Security Adviser H.R. McMaster's departure from the White House.
Amid reports of a new Russian missile, DARPA's chief says the United States lacks infrastructure.
Trump administration officials spent the weekend in Munich telling their European counterparts to please ignore President Donald Trump’s tweets and to focus on their more sober-minded statements.