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., Monday, February 28, 2000. Brief of respondent is to be filed with the Clerk and served upon opposing counsel on or before 3 p.m., Wednesday, March 29, 2000. A reply brief, if any, is to be filed with the Clerk and served upon opposing counsel on or before 3 p.m., Monday, April 17, 2000. This Court’s Rule 29.2 does not apply.