Questions over Afghan defenses as troops clear Kunduz city

Afghan forces regained control of most of the northern city of Kunduz on Tuesday amid sporadic fighting, officials said, as questions arose over how Taliban militants once again managed to penetrate the city's defenses. The U.S. military in Kabul said that a "robust" group of special forces, as well as aircraft, were positioned near the city to provide support to Afghan soldiers should the need arise. Insurgents slipped past government forces early on Monday and occupied or attacked central area