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., Thursday, November 13,1997. Brief of respondents is to be filed with the Clerk and served upon opposing counsel on or before 3 p.m., Monday, December 15,1997. A reply brief, if any, is to be filed with the Clerk and served upon opposing counsel on or before 3 p.m., Monday, January 5, 1998. This Court’s Rule 29.2 does not apply.