United States v. Shenandoah is a very complex case which was decided on Feb, 9, 2010 in the Third Circuit Court of Appeals. Rather than posting the lengthy case descriptions and challenges, we will post two links to sources which go into the details of this case:
http://www.leagle.com/unsecure/page.htm?shortname=infco20100209069
http://circuit3.blogspot.com/2010/02/court-upholds-constitutionality-of.html