A Taliban fighter sits on his motorcycle adorned with a Taliban flag in a street, Kunduz, Afghanistan, Sept. 29, 2015 (AP photo).

On Monday, as U.S. President Barack Obama and other world leaders spoke loftily about diplomacy and international cooperation at the United Nations General Assembly, a picture of chaos and destruction materialized thousands of miles away, in Afghanistan, a country whose future depends to a large degree on decisions taken by the people giving speeches this week in New York. As the U.N. gathering got underway, Taliban fighters rolled into Kunduz, one of Afghanistan’s largest cities, and, in a manner reminiscent of last year’s fall of Mosul, Iraq, to the self-declared Islamic State, they took control without much resistance. It was […]