From Techdirt::

" Of course, this also highlights a fun point for those who pitch the idea that copyright should last forever and descend to the heirs of the content creator. As the ownership gets spread out among younger generations, getting them to agree on anything will be quite unlikely. In any case, it's a sad "legacy" the MLK estate is leaving here, concerning the overly aggressive "protection" of copyrights against those who clearly wish to honor the man's own legacy. "