C. A. 3d 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, February 11, 1997. Brief of respondent is to be filed with the Clerk and served upon opposing counsel on or before 3 p.m., Friday, March 7, 1997. A reply brief, if any, may be filed with the Clerk and served upon opposing counsel on or before 3 p.m., Tuesday, March 18, 1997. This Court’s Rule 29.2 does not apply.