From Neil Steinberg of the Chicago Sun-Times, the answers as to why newspapers don’t delete scurrilous, vulgar and vicious comments and demand identity of commenters.

Most media Web sites offer readers the opportunity to respond. Why do they give a platform to anonymous cruelty? The true reason has nothing to do with free expression — rather, Web sites are evaluated according to how many people click on them and how long they stay, and if a certain percentage log in to glory over the death of a woman and a baby hit by a train, their participation still helps to pay the bills.