C. A. 8th Cir. Certiorari granted. Brief of petitioners is to be filed with the Clerk and served upon opposing counsel on or before 3 p.m., Tuesday, November 12, 1996. Brief of respondents is to be filed with the Clerk and served upon opposing counsel on or before 3 p.m., Tuesday, December 10, 1996. A reply brief, if any, is to be filed with the Clerk and served upon opposing counsel on or before 3 p.m., Friday, December 27, 1996. This Court's Rule 29.2 does not apply.