As a journalist, book author, and sometime adviser with frequent visits to Afghanistan between 2002 and 2015, I offer this distillation of lessons that we might learn from the United States’ longest …

Rebel ranks grow, presenting a viable threat to the military’s grip on power.

The military has vaccinated the vast majority of service members, but pockets of hesitancy remain. What’s driving the reluctance, and what should be done to overcome it?

Fully implementing and funding its 2008 constitutional reform of the justice system would reduce impunity, boost public confidence and uphold the basic rule of law.

On March 20, 2003, I found myself bobbing offshore along Iraq’s tiny coastline in a raging sandstorm, as a reporter covering the U.S. Navy SEALs and Polish special forces’ operations in the U.S.-led …