President Trump spoke to reporters from Air Force One Sunday night, answering questions from the national security advisor to an offer to send troops to Mexico to fight cartels.

Currently, top US diplomat Marco Rubio both heads the State Department and serves as the US leader's national security adviser ...

President Trump tells reporters he may tap Stephen Miller to replace Mike Waltz, who was ousted after sharing sensitive Yemen ...

"I think it will be a brutal confirmation hearing," Sen. Mark Warner said of Mike Waltz. "I think he's going to have tough ...