C. A. 9th 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, October 22, 1999. Brief of respondent is to be filed with the Clerk and served upon opposing counsel on or before 3 p.m., Friday, November 19, 1999. A reply brief, if any, is to be filed with the Clerk and served upon opposing counsel on or before 3 p.m., Wednesday, December 1, 1999. This Court's Rule 29.2 does not apply.