• In this Wednesday, March 2, 2016 file photo, new U.S. commander in Afghanistan, U.S. Army Gen. John Nicholson speaks during a change of command ceremony at the Resolute Support Headquarters in Kabul, Afghanistan. President Barack Obama's decision to allow more aggressive U.S. military action in support of Afghan combat operations against the Taliban could have a game-changing effect on the long war, Gen. John Nicholson, the top U.S. commander in Afghanistan, said Saturday, July 16, 2016. (AP Photo/Rahmat Gul, File)

    US officers see unexpected slip in Taliban violence

    ABOARD A U.S. MILITARY AIRCRAFT (AP) — After inflicting heavy losses on weakened Afghan security forces a year ago, the Taliban under new leadership have been surprisingly slow to ramp up attacks at the midpoint of the traditional fighting season, senior American military officers said Sunday.