Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument granted. Motion of Indiana, et al. for leave to participate in oral argument as amici curiae and for divided argument denied. Motion of International Municipal Lawyers Association, et al. for leave to participate in oral argument as amici curiae and for divided argument denied. Motion of St. Thomas More Lawyers Guild of Rochester, New York for leave to participate in oral argument as amicus curiae and for divided argument denied.