[K. Jack Riley, a homeland security expert at Rand Corp., said hardened cockpit doors, air marshals and stronger public vigilance will prevent another 9/11-style hijacking.] Frankly, the preeminent security challenge at this point is keeping explosives off the airplane, ... recognize the reality that we know that air transportation security has changed post-9/11. Most of these rules don't contribute to security.  -   Jack Riley     Quotes
[K. Jack Riley, a homeland security expert at Rand Corp., said hardened cockpit doors, air marshals and stronger public vigilance will prevent another 9/11-style hijacking.] Frankly, the preeminent security challenge at this point is keeping explosives off the airplane, ... recognize the reality that we know that air transportation security has changed post-9/11. Most of these rules don't contribute to security. Jack Riley
 Security