More foreign fighters entering Afghanistan from Pakistan , general says . `` We 're facing a tougher threat , '' so more troops needed `` as quickly as possible '' U.S. Gen. David McKiernan commands NATO forces in Afghanistan . Score: 7
More foreign fighters entering Afghanistan from Pakistan , general says . `` We 're facing a tougher threat , '' so more troops needed `` as quickly as possible '' U.S. Gen. David McKiernan commands NATO forces in Afghanistan . McKiernan has sought three more brigades of U.S. troops than one promised .