WASHINGTON -- Sen. Ted Stevens is enduring no end of ridicule in the blogosphere for his recent explanation, in a Commerce Committee debate, of how the Internet works. "The Internet is not something you just dump something on. It's not a truck. It's a series of tubes," he said during a June 28 committee session. "And if you don't understand, those tubes can be filled. And if they are filled, when you put your message in, it gets in line and it's going to be delayed by anyone that puts into that tube enormous amounts of material, enormous amounts of...