Children are many things these days, but they certainly aren't invisible -- especially on the Internet, where it is the kids, these adolescent messengers, who are becoming the McLuhanite message of our networked age.
As the story of Clementi has become a popular parable of teen-age good and evil, that yellow-toned photograph has become an icon of adolescent distress.
He showed his form early: by the age of 5 he was doing celebrity impersonations for family and friends, and as an adolescent helped start a local repertory theater.