One of the youngest National Security Advisors in the United States, Sullivan, 48, has been a strong supporter of the ...

Congressman Mike Waltz, who is set to become Donald Trump's National Security Advisor in the incoming administration, has ...

President-elect Donald Trump’s cabinet nominees are all veterans with different views of war than their older predecessors.

Former National Security Advisor Robert O’Brien raised alarm bells Tuesday on Fox Business about the safety and economic ...

President-elect Trump is expected to tap Joe Foltz, staff director for the Republican side of the House Foreign Affairs ...

Former Trump national security advisor Robert O'Brien told FNC's "Sunday Morning Futures" why Donald Trump is talking about ...

Trump's former White House national security advisor made veiled threats against a NATO ally, taking the Greenland issue in a ...

Masataka Okano is a 60-year-old career diplomat with experience in both Washington and Beijing and a former chief of the ...

National security adviser Jake Sullivan will travel to India for a visit focusing on cooperation on strategic technology, ...

The largest island on the planet, Greenland, which is an autonomous constituent country within the Kingdom of Denmark, holds ...

Venezuelan opposition leader Edmundo Gonzalez, who says he won a July presidential election and is recognized by multiple ...