Linn v. United Plant Guard Workers of America, Local 114

[Syllabus from pages 53-54 intentionally omitted]

Donald F. Welday, Detroit, Mich., for petitioner.

Sol. Gen. Thurgood Marshall for the United States, as amicus curiae, by special leave of Court.

Winston L. Livingston, Detroit, Mich., for respondents.

Mr. Justice CLARK delivered the opinion of the Court.