AP Photo

This week marks two watershed events in the war in Afghanistan: suspending the police training mission and firing hundreds of Afghan soldiers for having ties to the insurgency. Both speak to the increasingly struggling U.S.-led war effort there. And yet the two presidential campaigns are barely discussing one of the toughest foreign policy issues facing the U.S. today. That's hardly surprising in political terms, but in actual policy terms it seems to have left the U.S. in a state of cautious status quo.