D. South Dakota May 2002 casesShirt v. HazeltineBear Shield v. BarnhartSouth Dakota Farm Bureau, Inc. v. HazeltineU.S. v. PfeiferU.S. v. PfeiferU.S. v. PfeiferFischer v. BarnhartU.S. v. ArchambaultU.S. v. Archambault