President BUSH: We're working to make sure that we continue to keep the pressure on al-Qaida, but no question, al-Qaida is dangerous.

NPR: Bush Defiant, But Restrained With Press

No question that the work Cerf and others did to make the Internet possible has been incredibly beneficial to society, but the lack of authentication gives the bad guys too much cover, making many of their actions virtually untraceable.

FORBES: Authenticate or Die