Every week, we see the anguish How do I get user xxxxx blocked from commenting on my blog? because many people enjoy FaceBook and Twitter, where there is no spam, and no unwanted comments. They think that Blogger comments should be controlled , as social networking like FaceBook and Twitter are controlled. With FaceBook, each person controls their own Wall, and their own neighbourhood. With Twitter, each person decides exactly who they wish to Follow, and sees tweets from only those folks that they follow. Neither FaceBook or Twitter encourages you to open up your neighbourhood to the world; both allow you to establish each contact, one by one, at your discretion. With Blogger commenting, you are encouraged to allow anybody - or anybody with a required level of authentication - to comment on your blog. This encourages freedom of speech, and extends your neighbourhood far beyond the walls that you setup with FaceBook and Twitter. Some commenters, and other readers of your blogs...