As NATO leaders convene in Washington next week, three critical audiences will be eyeing the summit closely.

The high court’s decision could allow future U.S. presidents to commit grave abuses of power with impunity, with serious implications for U.S. foreign policy and national security.

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.

The reelection of Iran’s Hassan Rouhani, as well as U.S. President Donald J. Trump’s strong affirmation of ties with Sunni Arab states, sets the stage for an intense new round of competition in the M…

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