C. A. 5th Cir. Certiorari granted. Brief of petitioners is to be filed with the Clerk and served upon opposing counsel on or before 3 p.m., Friday, January 16, 1998. Brief of respondent is to be filed with the Clerk and served upon opposing counsel on or before 3 p.m., Friday, February 13, 1998. A reply brief, if any, is to be filed with the Clerk and served upon opposing counsel on or before 3 p.m., Friday, March, 13,1998. This Court’s Rule 29.2 does not apply.