Vergil Bushnell was on his way to the Patent Office's headquarters outside Washington, D.C. when a hijacked jetliner slammed into the Pentagon. He sent in this description of the experience. If you witnessed any of today's attacks, this is one place to add your account.

News and opinions from staff and readers about the attack.

Opinions, news and information on the attacks.

News and links relating to the attacks.

Information and opinions on the tragedy.

Follow up comments and news on the disaster.

A letter from Zimmermann in response to an article in the Washington Post that claims that he was overwhelmed with feelings of guilt about the use of PGP by suspected terrorists. Zimmermann states that the article misrepresents his views.

More comments and opinions on the attacks.

Updates and news on the tragic attacks.

Includes brief reports and related discussion forum threads.