In the interview from Afghanistan , Mullen said he was `` extremely concerned '' about indications the Taliban is moving closer to Pakistan 's capital of Islamabad . NEW : Pakistan situation `` rapidly deteriorating , '' says senior U.S. military official . NEW : U.S. officials : Any Taliban withdrawal from Pakistani territory likely meaningless . NEW : Fundamentalists hold large areas of the country , military officials say . Comment:
NEW : Pakistan situation `` rapidly deteriorating , '' says senior U.S. military official . NEW : U.S. officials : Any Taliban withdrawal from Pakistani territory likely meaningless . NEW : Fundamentalists hold large areas of the country , military officials say . Comment: