Holding an injunction banning picketing was "justified only by the violence that induced it and only so long as it counteracts a continuing intimidation"
In National Labor Relations Board v. Indiana Desk Co., 149 F.2d 987, 995, this court said, where a similar situation was involved: "The undisputed evidence discloses that the picketing was not conducted for the purpose of publicizing the strike or any grievance which the strikers had against respondent, or for the purpose of persuading the non-strikers to join the strikers or to refrain from going to work during the strike.