Plagiarism is a media issue

It's nearly time to go back to school, and for teachers that means back to one of the profession's most frustrating tasks -- preventing, detecting and dealing with plagiarism. Plagiarism, academic and otherwise, is an old problem; Newton and Leibnitz accused each other of it, and Helen Keller was so shaken by an accusation of having stolen her story "The Frost King" that she turned from fiction to writing the autobiography for which she is remembered. Still, comparing today's lifting of information to the sort of plagiarism that took place as recently as ten years ago is like comparing home cassette taping to online file-sharing