Catholic University of America, Office of General Council's site which gives extensive information and explanation of the law and current legislation. The Q&A section provides real world examples of applying laws and guidelines.
The Technology, Education, and Copyright Harmonization Act (TEACH Act), passed in 2002, was intended to update copyright law (specifically, Section 110(2)) pertaining to transmissions of performances and displays of copyrighted materials.
A major focus and interest of the Consortium of College & University Media Centers is the matter of Copyright and its context within the profession, intellectual property issues, government regulations, and public policy.
Concise, yet packed with info. Overview and examples of Copyright, Fair Use, and Educational Multimedia. Nice list of permissible amounts of information, for example, how many lines of a poem, amount of a film, etc.