Without diplomatic progress over the next several weeks, world powers and Iran may squander their best opportunity for a comprehensive nuclear agreement, says expert Daryl G. Kimball.

The unexpected convergence of the United States and Russia over Syria’s chemical weapons is likely to be strained by delays in the disarmament process, says expert Nicolas Gvosdev.

Fifty years after JFK’s inaugural, presidential historian Robert Dallek observes that Kennedy remains the most popular American president even though his days in office didn’t yield many domestic suc…

The United States should cripple the Syrian government’s ability to kill masses of its own people and openly intensify its support to opposition forces, says expert Frederic C. Hof.

Russia’s military buildup in Syria could set back the self-proclaimed Islamic State and lay the groundwork for a political transition, but could also lead to a confrontation with the United States, s…