Copyright law stifles creativity in its current form. The law has been updated to make it so that a work is copyrighted for the lifetime of the author plus 70 years. Returning the copyright law to 28 years would allow for others to make their own versions of a creative works that were created in their lifetimes while still allowing enough time for the original creator to turn a profit.
For more information go to http://www.youtube.com/watch?v=tk862BbjWx4