Posted: Oct 13, 2010 6:51 am
by Mr.Samsa
I imagine that the problem is this bit:

3. the amount and substantiality of the portion used in relation to the copyrighted work as a whole; and

This is why you can't copy and paste an entire news article and post it on a forum. So it would be illegal to distribute a full version of a copyrighted article (which is any that has been published), but it's fair use to reproduce sections of it for educational purposes.