D. C. E. D. N. C. [Probable jurisdiction noted, 471 U. S. 1064.] Motions of Legal Services of North Carolina, Dennis DeConcini et al., Common Cause, American Civil Liberties Union Foundation, Inc., et al., and James G. Martin, Governor of North Carolina, for leave to file briefs as amici curiae granted. Motion of appellants and appel-lees for leave to file oversized portion of joint appendix granted.