Donald Trump

The announcement comes amid a planned meeting set later this year between President Trump and the North Korean dictator.

The United States has launched "precision strikes" on Syrian military targets days after a deadly chemical attack.

Promises of North Korea's good behavior in return for concessions from the U.S. have not worked in the past.

Defense Secretary Jim Mattis said the U.S. was still assessing the intelligence on the alleged chemical attack in Syria.

A White House source told Fox News Bossert's resignation is part of Bolton's "cleaning house" at the NSC.

The U.S. may launch a military response to the recent chemical attack.

U.S. cruise missiles pounded targets in Syria in response to the recent deadly chemical attack against civilians.

Navy Tomahawk missile strikes were used in response to a Syrian chemical attack last year.

The Pentagon hasn't figured out yet how, when and where to deploy troops to the Mexican border.