Copyleft Hits a Snag

No one would confuse cyber-lawyer Lawrence Lessig with Homer Simpson -- symbol for all that is dumb about America. But Lessig, a professor of law at Stanford University in Palo Alto, CA, has spent a good deal of time lately trying to figure out how to resolve a “doh!” moment of his own: realizing that the various intellectual property licenses that he helped design over recent years to encourage the sharing of intellectual property -- a movement collectively known as "copyleft," in contrast to copyright -- may actually prevent it.