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 . U.S. troops are seeing an increased threat in Afghanistan , Gen. David McKiernan says . 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 . Score: 7