opinion: Per Curiam.
  The judgment is vacated and the cases are remanded to the United States Court of Appeals for the Fourth Circuit for consideration of the question whether they are moot.
choices: case did not arise on cert or cert not granted federal court conflict federal court conflict and to resolve important or significant question putative conflict conflict between federal court and state court state court conflict federal court confusion or uncertainty state court confusion or uncertainty federal court and state court confusion or uncertainty to resolve important or significant question to resolve question presented no reason given other reason