In Bourne, we held that interrogation which does not contain express threats is not an unfair labor practice unless certain "fairly severe standards" are met showing that the very fact of interrogation was coercive.
Holding that knowledge of union activities could be inferred from the fact that an employer discharged eleven of sixteen union adherents without discharging any of its remaining seventy-four employees
In Paceco, as here, the employer contended that its rules may have only technically violated the Act and it had attempted to rewrite them to remove the defect.