The president’s first national security strategy eloquently sums up the U.S. role in the world and what should be done to defend it, but much of the document is at odds with what the president himsel…

A little-known treaty provides transparency for confirming arms control agreements and serves as an important measure of the health of the U.S.-Russia relationship.

Washington should respond to sectarian conflict near Kirkuk by seeking to preserve a united Iraq while supporting Kurdish autonomy.

President Trump’s much-anticipated Afghan policy rightly avoids troop withdrawal timelines but offers little prospect for progress against the durable Taliban.

North Korea’s test of an intercontinental ballistic missile during the week of the Hamburg summit injects an air of crisis into an already tricky set of meetings.