Taliban insurgents in Afghanistan attacked and overran a key army base in southeastern Ghazni province Saturday, capturing dozens of soldiers and killing several others. The latest attack came on a day when the United States and NATO partners formally began withdrawing their militaries from the country after almost 20 years of war. Two senior provincial council members told VOA the Afghan army had stationed dozens of its forces at the base outside the provincial capital, also named Ghazni, before the pre-dawn insurgent attack. Local media reports said the ensuing clashes had lasted several hours and killed at least 17 soldiers....