
    No. 87-2049.
    Railway Labor Executives’ Assn. et al. v. Chicago & North Western Transportation Co. et al.
   C. A. 8th Cir. Certiorari granted, judgment vacated, and case remanded for further consideration in light of Pittsburgh & Lake Erie R. Co. v. Railway Labor Executives’ Assn., 491 U. S. 490 (1989).  