The battle for Kunduz highlights the military and political challenges facing Afghanistan and the narrowly defined U.S. mission there, says CFR’s Stephen Biddle.

The crisis in Ukraine has not thus far diverted international diplomatic efforts toward a lasting deal on Tehran’s controversial nuclear program, says expert Barbara Slavin.

Widespread election fraud could undermine Afghanistan’s first democratic transfer of power and throw the country into chaos, says CFR’s Stephen Biddle.

Western powers should pursue a negotiated settlement with the Taliban in Afghanistan that includes real concessions from all sides, says CFR’s Stephen Biddle.

Afghan forces are performing well so far amid the pullback of U.S. troops, but this summer’s fighting season will offer proof of their capabilities, says CFR’s Stephen Biddle.