Old rules limit US forces in a changed Afghan War

As the Afghanistan War grinds into its 15th year, many U.S. military officers are telling Congress their hands are tied to go after the enemy, particularly the Islamic State, which is building up its presence in the country despite fierce opposition from the Taliban.… “If the public were able to know all the restrictions placed on our troops, they would be unhappy about it, and if the enemy knew this they would have more of a leg up than they do now.”…