On April 16, the Greenville County, South Carolina Republican Party filed a federal lawsuit for the purpose of obtaining a closed primary for itself. Currently, South Carolina does not have registration by party, so any voter can choose which party’s primary to vote in. Harms v Hudgens, 6:09-1022-HFF. The case was assigned to Judge Henry Floyd, a Bush Jr. appointee. Thanks to Steve Rankin for this news.