John Bolton, Trump's former national security adviser, says making Greenland an American territory or commonwealth could help ...

Within hours of taking office, President Donald Trump terminated the Secret Service detail that was assigned to his former national security adviser John Bolton, Bolton confirmed to CNN on Tuesday.

Trump responded by threatening to jail Bolton, repeating a threat he makes routinely about people who cross him.After Iranian military officer ... security adviser John Bolton, Bolton confirmed ...

President Donald Trump flanked by National Security Adviser John Bolton, right, speaks during a meeting with Senior Military Leadership in the Cabinet Room of the White House on April 9 ...

NPR's Juana Summers talks with Trump's former National Security Advisor John Bolton about the president's ambitions of expanding into Greenland.