Well, It looks like the long case of Greenberg v. National Geographic has seen the end of the road.
By denying the writ of certiorari, The U.S. Supreme Court has refused to hear the appeal.
Read the story on http://www.nppa.org for more details on what this means to photographers.
Sometimes the Supreme Court explains their denial, but there are no extra details on this one.
For me it means, time to revisit the standard contract and double check a few things.