I am blogging about copyright law this week. I think the most applicable topic there for teachers is fair use. I had kind of subconsciously heard about fair use but had never really put a name to it. I think it is really a good idea because teachers, professors, news reporters aren't trying to steal the material to make a buck, but to educate (of course, we educate secondarily to make a buck, but you know what I mean). So anyway, fair use is really wise to include in the copyright code.