On NPR again today the issue of effective use of suspected-terrorist "watch lists" came up. Lest we strike the wrong balance between over- and under-identifying list members among the very large numbers of people constantly coming under our consideration--and something terrible should happen as a result--let's be totally clear about who we're dealing with: Suspected suspected suspectedly certain-to-succeed individuals dead-set on committing mass murder and destruction for no reasonable grounds or cause. We know they're out there. Whatever the critics say. I want to add we also know we'll find them.