595 So. 2d 660 (1992)
Louis E. WIGGINS, et al.
No. 92-C-0495.
Louis E. WIGGINS, et al.
v.
EXXON CORPORATION.
No. 92-C-0495.
Supreme Court of Louisiana.
April 3, 1992.Denied.
Supreme Court of Louisiana.
April 3, 1992.Denied.