The foregoing opinion by WESTHUES, C., is adopted as the opinion of the Court en Banc. Ellison, Gantt, Tipton, andLeedy, JJ., and Clark, C.J., concur. Hyde, J., concurs in separate concurring opinion in which Ellison, Gantt, Tipton andLeedy, JJ., and Clark, C.J., concur; Douglas, J., absent.