"There is a real potential threat there to put American lives at risk," says Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, about the leak of a database of field reports from Afghanistan. (Associated Press)

"There is a real potential threat there to put American lives at risk," says Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, about the leak of a database of field reports from Afghanistan. (Associated Press)