President Donald Trump threatened 25 percent tariffs on eight European nations that recently sent troops to Greenland. Treasury Secretary Scott Bessent said on Jan. 18, “We are not going to outsource our national security.” We explore the rationale behind these remarks with a geopolitical analyst.

The U.S. military announced the killing of an al-Qaeda affiliate leader. The individual had ties to a gunman who killed three U.S. citizens in Syria last month.

Trump is set to dominate Davos in the coming week with the largest U.S. delegation ever.

The Trump administration might send 1,500 active-duty soldiers to Minnesota.

Protests erupted in central London over plans for a massive new Chinese embassy. Analysts said it could pose a national security risk.