And whenever you think about the First Amendment, the first thing you should remember is that it was designed by the Framers of the Constitution to protect offensive speech and offensive speakers. After all, no one ever tries to ban the other kind.

As an online discussion grows longer, the probability of a comparison involving Nazis or Hitler approaches one.

I worry about my child and the Internet all the time, even though she's too young to have logged on yet. Here's what I worry about. I worry that 10 or 15 or 20…