NEW : Pakistan situation `` rapidly deteriorating , '' says senior U.S. military official . NEW : U.S. officials : Any Taliban withdrawal from Pakistani territory likely meaningless . NEW : Afghan government is not prepared to negotiate with the Taliban, and will continue fighting until it gets a clear message that they are no longer welcome in Afghanistan. Pakistan had reported Taliban withdrawal from captured district 60 miles from capital .
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 . Pakistan had reported Taliban withdrawal from captured district 60 miles from capital .