The Internet is a wondrous thing, but it’s also made teasing and bullying, formerly restricted to schoolyards, something you can do online for all the world to see. A Long Island teenager is suing her tormentors, their parents, and Facebook over a Facebook group “calculated to hold the plaintiff up to public hatred, ridicule and disgrace.” Denise Finkel, 18 and now a student at the University of Albany, filed suit in Manhattan for $3 million. Finkel alleges that four former Oceanside High School classmates (Michael