Did you hear about al Qaeda's recent attack at Newark Airport? Neither did I. Yet the Transportation Security Administration is worried about its poor performance there -- so worried that it isn't even blaming passengers or congressional stinginess, as it usually does. "The performance of the TSA here at Newark Liberty International Airport has been on a gradual decline," said an internal report obtained by the Star-Ledger last week. Indeed, its failings have "produced a lack of faith in our ability to provide world-class security." But not a single terrorist has exploited that "decline" -- so how necessary is the...